Basis of Presentation (Details) (USD $)
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0 Months Ended |
3 Months Ended |
9 Months Ended |
12 Months Ended |
9 Months Ended |
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9 Months Ended |
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Jul. 12, 2012
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2012
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Dec. 31, 2011
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Mar. 31, 2012
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Dec. 31, 2012
Range $2.90 to $6.00 [Member]
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Dec. 31, 2012
Range $6.25 to $11.70 [Member]
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Dec. 31, 2012
Range $17.80 to $28.10 [Member]
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Dec. 31, 2012
Range $34.20 to $61.80 [Member]
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Dec. 31, 2012
Range $61.94 to $151.94 [Member]
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Dec. 31, 2012
Range $152.21 to $285 [Member]
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Dec. 31, 2012
Range $286.72 to $300.27 [Member]
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Dec. 31, 2012
Range $2.90 to $300.27 [Member]
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Dec. 31, 2012
Stock Options [Member]
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Dec. 31, 2011
Stock Options [Member]
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Dec. 31, 2012
Employees Stock Purchase Plan [Member]
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Dec. 31, 2011
Employees Stock Purchase Plan [Member]
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Dec. 31, 2012
Stock Options and Warrants [Member]
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Dec. 31, 2012
Restricted Stock Units (RSUs) [Member]
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Dec. 31, 2012
Minimum [Member]
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Dec. 31, 2012
Maximum [Member]
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Dec. 31, 2012
Sequal Power [Member]
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Dec. 31, 2011
Sequal Power [Member]
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Dec. 31, 2012
Everyday Health [Member]
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Dec. 31, 2012
Sequel Power LLC [Member]
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Jan. 14, 2011
Sequel Power LLC [Member]
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Dec. 31, 2012
Nano Vibronix [Member]
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Dec. 31, 2012
Nano Vibronix [Member]
Convertible Promissory Note [Member]
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Nov. 22, 2011
Nano Vibronix [Member]
Convertible Promissory Note [Member]
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Basis of Presentation [Abstract] |
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Net income/(loss) |
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$ (1,152,000)
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$ 2,269,000
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$ (3,115,000)
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$ 798,000
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Cash used in operating activities |
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2,833,000
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2,273,000
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Number of clinical and scientific advisors |
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50
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Value added data opportunity |
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300,000,000,000
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Investment [Line Items] |
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Contributions made in cash |
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2,000,000
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Economic interest in Sequel Power (in hundredths) |
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25.00%
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Strategic investment |
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337,000
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337,000
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312,000
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[1] |
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300,000
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Interest rate on convertible promissory note (in hundredths) |
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10.00%
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Maturity date of convertible promissory note |
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Nov. 15,
2014
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Conversion into Series B-1 Participating Convertible Preferred Stock |
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3,000,000
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Conversion price (in dollars per share) |
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$ 0.284
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Concentration Risk [Line Items] |
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Accounts receivable, net, current |
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50,000
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50,000
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Concentration risk, percentage (in hundredths) |
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60.00%
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100.00%
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40.00%
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Note Receivable [Abstract] |
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Balances of notes receivable, net |
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0
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0
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Interest rate on promissory note (in hundredths) |
0.28%
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0.28%
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0.28%
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Promissory note maturity date |
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Nov.
07,
2012
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Note receivable used as consideration for CollabRx acquisition |
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300,000
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0
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Promissory Note [Abstract] |
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Business Acquisition, Effective Date of Acquisition |
Jul. 12,
2012
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Jul. 12,
2012
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Business acquisition, purchase price allocation, indebtedness |
500,000
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Class of Warrant or Right [Line Items] |
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Warrants outstanding to purchase shares of common stock (in shares) |
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285,454
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285,454
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137,466
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185,777
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Exercise price of warrants (in dollars per share) |
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$ 30.00
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$ 495.00
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$ 3.15
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Investment warrants expiration date range start |
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Feb.
01,
2010
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Investment warrants expiration date range end |
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Sep.
01,
2013
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Reclassification from additional paid in capital to beginning accumulated deficit |
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346,000
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346,000
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Reclassification from additional paid in capital to common stock warrant liability |
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502,000
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502,000
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Fair value assumptions, risk free interest rate (in hundredths) |
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0.72%
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2.24%
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Fair value assumptions, expected term |
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8 months 9 days
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1 year 1 month 6 days
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Fair value assumptions, weighted average volatility rate (in hundredths) |
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152.00%
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79.10%
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Fair value assumptions, expected dividend rate (in hundredths) |
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0.00%
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0.00%
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Fair value of warrants |
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16,000
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16,000
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Non cash gains on warrants |
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3,000
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6,000
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Investment in Unconsolidated Affiliate [Abstract] |
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Estimated useful life of the underlying intangibles |
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10 years
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3 years
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10 years
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Net difference between investment in unconsolidated affiliates and the underlying equity of unconsolidated affiliates |
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0
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Amortization expense |
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0
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43,000
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0
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129,000
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Estimated fair value of investment |
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0
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Asset Impairment Charges |
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0
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1,377,000
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Book value of investments |
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0
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Fair Value Measurements [Abstract] |
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Number of level of fair value hierarchy |
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3
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Changes in the fair value of warrants [Roll Forward] |
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Balance at the beginning of the period |
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19,000
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26,000
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26,000
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Change in fair value recorded in earnings |
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(3,000)
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(6,000)
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Balance at the end of the period |
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16,000
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20,000
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16,000
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20,000
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19,000
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Finite-Lived Intangible Assets [Line Items] |
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Amortization period for intangible asset |
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10 years
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3 years
|
10 years
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Carrying value of internally developed intangible assets |
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0
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0
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Number of offered lots awarded |
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2
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Number of offered lots |
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4
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Consideration received |
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3,600,000
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3,600,000
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Number of patents |
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35
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35
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Amortization of Intangible Assets |
|
62,000
|
0
|
82,000
|
0
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Impairment of Long-Lived Assets [Abstract] |
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Impairment charges for fixed assets |
|
0
|
0
|
17,000
|
51,000
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Share-based Compensation [Abstract] |
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Vesting period of equity awards |
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4 years
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Stock options expiry period |
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10 years
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Purchase price of shares in terms of fair market value (in hundredths) |
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85.00%
|
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|
Total stock-based compensation expense related to stock options and restricted stock units |
|
|
|
507,000
|
130,000
|
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|
Total compensation expense related to non-vested stock options and RSUs not yet recognized |
|
662,000
|
|
662,000
|
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|
Number of employees stock purchase plan awards granted during the period (in shares) |
|
10,000
|
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50,000
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Valuation assumptions to estimate the fair value of options and ESPP [Abstract] |
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Expected life (years) |
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6 years
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6 years
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6 months
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6 months
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Volatility (in hundredths) |
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156.80%
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155.10%
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106.10%
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116.30%
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Risk-free interest rate (in hundredths) |
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0.64%
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0.83%
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0.05%
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0.02%
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Dividend yield (in hundredths) |
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0.00%
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0.00%
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0.00%
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0.00%
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Stock option and warrant activity [Roll Forward] |
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Beginning outstanding (in shares) |
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127,833
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Granted (in shares) |
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173,999
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Forfeited (in shares) |
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(379)
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Expired (in shares) |
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(19,577)
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Ending outstanding (in shares) |
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281,876
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Ending vested and expected to vest (in shares) |
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281,807
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Ending exercisable (in shares) |
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141,971
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Weighted Average Exercise Price [Abstract] |
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Beginning outstanding (in dollars per share) |
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$ 19.24
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Granted (in dollars per share) |
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$ 3.82
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Forfeited (in dollars per share) |
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$ 11.70
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Expired (in dollars per share) |
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$ 17.68
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Ending outstanding (in dollars per share) |
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$ 9.84
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Ending vested and expected to vest (in dollars per share) |
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$ 9.83
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Ending exercisable (in dollars per share) |
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$ 15.70
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Weighted Average Remaining Contractual Term [Abstract] |
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Ending outstanding |
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7 years 10 months 17 days
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Ending vested and expected to vest |
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7 years 10 months 17 days
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Ending exercisable |
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6 years 2 months 19 days
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Aggregate Intrinsic Value [Abstract] |
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Ending outstanding |
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0
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Ending vested and expected to vest |
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0
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Ending exercisable |
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0
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Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
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Range of Exercise Prices, Lower Range Limit (in dollars per share) |
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$ 2.90
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$ 6.25
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$ 17.80
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$ 34.20
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$ 61.94
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$ 152.21
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$ 286.72
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$ 2.90
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Range of Exercise Prices, Upper Range Limit (in dollars per share) |
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$ 6.00
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$ 11.70
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$ 28.10
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$ 61.80
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$ 151.94
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$ 285.00
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$ 300.27
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$ 300.27
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Number Outstanding (in shares) |
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182,329
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45,358
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39,269
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14,006
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854
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58
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2
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281,876
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Weighted Average Remaining Contractual Term |
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9 years 6 months 4 days
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5 years 10 months 21 days
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4 years 8 months 16 days
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2 years 5 months 1 day
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1 year 8 months 5 days
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8 months 27 days
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0 years
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7 years 10 months 17 days
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Weighted Average Exercise Price (in dollars per share) |
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$ 3.85
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$ 11.50
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$ 21.63
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$ 43.95
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$ 89.52
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$ 174.00
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$ 0
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$ 9.83
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Number Exercisable (in shares) |
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42,493
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45,358
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39,244
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13,998
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832
|
46
|
0
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141,971
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Weighted Average Exercise Price (in dollars per share) |
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$ 3.78
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$ 11.50
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$ 21.63
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$ 43.95
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$ 89.52
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$ 174.00
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$ 0
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$ 15.70
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Total unrecognized compensation cost related to outstanding options and warrants |
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340,000
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Period of recognition of total unrecognized compensation cost related to options outstanding |
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3 years 1 month 6 days
|
2 years 5 months 5 days
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Number of Shares [Abstract] |
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Balance, March 31, 2012 (in shares) |
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236,541
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Granted (in shares) |
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288,417
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Forfeited (in shares) |
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(279,760)
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Vested (in shares) |
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(83,689)
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Balance, Dec. 31, 2012 (in shares) |
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161,509
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Weighted Average Grant Date Fair Value [Abstract] |
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Balance March 31, 2012 (in dollars per share) |
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$ 2.11
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Granted (in dollars per share) |
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$ 3.85
|
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Forfeited (in dollars per share) |
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$ 3.51
|
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Vested (in dollars per share) |
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$ 2.65
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Balance, Dec. 31, 2012 (in dollars per share) |
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$ 2.52
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Total unrecognized compensation cost related to outstanding RSUs |
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$ 322,000
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Period of recognition of total unrecognized compensation cost |
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3 years 1 month 6 days
|
2 years 5 months 5 days
|
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