|
Basis of Presentation (Details) (USD $)
|
3 Months Ended |
12 Months Ended |
|
Jun. 30, 2012
|
Mar. 31, 2012
|
Jun. 30, 2011
|
Jun. 30, 2010
|
Mar. 31, 2012
|
Mar. 31, 2011
|
| Basis of Presentation [Abstract] |
|
|
|
|
|
|
| Net income/(loss) |
$ 679,000
|
|
$ 994,000
|
|
|
|
| Cash provided by (used in) operating activities, total |
329,000
|
|
1,035,000
|
|
|
|
| Economic interest (in hundredths) |
100.00%
|
|
|
|
|
|
| Business acquisition, number of shares of common stock (in shares) |
236,433
|
|
|
|
|
|
| Percentage of shares outstanding (in hundredths) |
14.00%
|
|
|
|
|
|
| Business acquisition, purchase price allocation, indebtedness |
500,000
|
|
|
|
|
|
| Maturity Period of Promissory Note |
5 years
|
|
|
|
|
|
| Value added data opportunity |
300,000,000,000
|
|
|
|
|
|
| Business Acquisition, Effective Date of Acquisition |
Jul. 12,
2012
|
|
|
|
|
|
| Business Acquisition, Date of Acquisition Agreement |
Jun. 29,
2012
|
|
|
|
|
|
| Concentration Risk [Line Items] |
|
|
|
|
|
|
| Accounts receivable, net, current |
0
|
|
|
|
|
|
| Concentration risk, percentage (in hundredths) |
100.00%
|
|
100.00%
|
|
|
|
| Asset Impairment Charges |
|
1,377,000
|
|
|
|
|
| Note Receivable [Abstract] |
|
|
|
|
|
|
| Balances of notes receivable, Net |
300,000
|
0
|
|
|
0
|
|
| Interest rate on promissory note (in hundredths) |
0.28%
|
|
|
|
|
|
| Promissory note maturity date |
Nov.
07,
2012
|
|
|
|
|
|
| Number of clinical and scientific advisors |
50
|
|
|
|
|
|
| Class of Warrant or Right [Line Items] |
|
|
|
|
|
|
| Warrants outstanding to purchase shares of common stock (in shares) |
285,454
|
|
|
|
|
|
| Investment warrants expiration date range start |
Feb.
01,
2010
|
|
|
|
|
|
| Investment warrants expiration date range end |
Sep.
01,
2013
|
|
|
|
|
|
| Reclassification from additional paid in capital to beginning accumulated deficit |
346,000
|
|
|
|
|
|
| Reclassification from additional paid in capital to common stock warrant liability |
502,000
|
|
|
|
|
|
| Fair value assumptions, risk free interest rate (in hundredths) |
0.72%
|
|
|
|
|
2.24%
|
| Fair value assumptions, expected term |
1 year 1 month 17 days
|
|
|
|
|
1 year 1 month 6 days
|
| Fair value assumptions, weighted average volatility rate (in hundredths) |
|
|
|
155.00%
|
|
79.10%
|
| Fair value assumptions, expected dividend rate (in hundredths) |
0.00%
|
|
|
|
|
0.00%
|
| Fair value of warrants |
18,000
|
|
|
|
|
|
| Non cash gains on warrants |
1,000
|
|
12,000
|
|
|
|
| Investment in Unconsolidated Affiliate [Abstract] |
|
|
|
|
|
|
| Estimated useful life of the underlying intangibles |
10 years
|
|
|
|
|
|
| Net difference between investment in unconsolidated affiliates and the underlying equity of unconsolidated affiliates |
0
|
|
|
|
|
|
| Amortization expense |
0
|
|
41,000
|
|
|
|
| Book value of investments |
0
|
|
|
|
|
|
| Estimated fair value of investment |
|
0
|
|
|
0
|
|
| Fair Value Measurements [Abstract] |
|
|
|
|
|
|
| Number of level of fair value hierarchy |
3
|
|
|
|
|
|
| Changes in the fair value of warrants [Roll Forward] |
|
|
|
|
|
|
| Balance at the beginning of the period |
19,000
|
|
26,000
|
|
26,000
|
|
| Change in fair value recorded in earnings |
(1,000)
|
|
(12,000)
|
|
|
|
| Balance at the end of the period |
18,000
|
19,000
|
14,000
|
|
19,000
|
26,000
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
|
|
|
| Amortization period for intangible asset |
10 years
|
|
|
|
|
|
| Carrying value of internally developed intangible assets |
|
|
|
|
|
0
|
| Number of offered lots awarded |
|
|
|
|
2
|
3
|
| Number of offered lots |
|
|
|
|
4
|
|
| Consideration received |
|
3,600,000
|
|
|
3,600,000
|
|
| Number of patents |
|
|
|
|
35
|
|
| Impairment of Long-Lived Assets [Abstract] |
|
|
|
|
|
|
| Impairment charges for fixed assets |
0
|
|
0
|
|
|
|
| Pension Obligations [Abstract] |
|
|
|
|
|
|
| Total pension liability in prior period |
|
|
|
|
|
700,000
|
| Total pension liability |
0
|
|
|
|
|
|
| Foreign currency transactions |
23,000
|
|
|
|
|
|
| Future pension obligation |
0
|
|
|
|
|
|
| Share-based Compensation [Abstract] |
|
|
|
|
|
|
| Vesting period of equity awards |
4 years
|
|
|
|
|
|
| Stock options expiry period |
10 years
|
|
|
|
|
|
| Purchase price of shares in terms of fair market value (in hundredths) |
85.00%
|
|
|
|
|
|
| Total stock-based compensation expense related to stock options and restricted stock units |
54,000
|
|
31,000
|
|
|
|
| Total compensation expense related to non-vested stock options and RSUs not yet recognized |
526,000
|
|
|
|
|
|
| Options grants during the period (in shares) |
7,500
|
|
|
|
|
|
| Number of employees stock purchase plan awards granted during the period (in shares) |
0
|
|
|
|
|
|
| Stock option and warrant activity [Roll Forward] |
|
|
|
|
|
|
| Granted (in shares) |
7,500
|
|
|
|
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
|
|
|
|
| Range of Exercise Prices, Lower Range Limit (in dollars per share) |
$ 2.90
|
|
|
|
|
|
| Range of Exercise Prices, Upper Range Limit (in dollars per share) |
$ 300.27
|
|
|
|
|
|
| Number Outstanding As of June 30, 2012 (in shares) |
135,333
|
|
|
|
|
|
| Weighted Average Remaining Contractual Term |
5 years 10 months 10 days
|
|
|
|
|
|
| Weighted Average Exercise Price (in dollars per share) |
$ 19.52
|
|
|
|
|
|
| Number Exercisable As of June 30, 2012 (in shares) |
122,491
|
|
|
|
|
|
| Weighted Average Exercise Price As of December 31,2011 (in dollars per share) |
$ 19.52
|
|
|
|
|
|
| Number of Shares [Abstract] |
|
|
|
|
|
|
| Balance March 31, 2012 (in shares) |
236,541
|
|
|
|
|
|
| Granted (in shares) |
39,000
|
|
|
|
|
|
| Forfeited (in shares) |
0
|
|
|
|
|
|
| Vested (in shares) |
(37,247)
|
|
|
|
|
|
| Balance, June 30, 2012 (in shares) |
238,294
|
236,541
|
|
|
236,541
|
|
| Weighetd Avg. Grant Date Fair Value [Abstract] |
|
|
|
|
|
|
| Balance March 31, 2012 (in dollars per share) |
$ 2.11
|
|
|
|
|
|
| Granted (in dollars per share) |
$ 3.40
|
|
|
|
|
|
| Forfeited (in dollars per share) |
$ 0
|
|
|
|
|
|
| Vested (in dollars per share) |
$ 1.79
|
|
|
|
|
|
| Balance, June 30, 2012 (in dollars per share) |
$ 2.37
|
$ 2.11
|
|
|
$ 2.11
|
|
| Total unrecognized compensation cost related to outstanding RSUs |
499,000
|
|
|
|
|
|
|
Range $2.90 to $6.00 [Member]
|
|
|
|
|
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
|
|
|
|
| Range of Exercise Prices, Lower Range Limit (in dollars per share) |
$ 2.90
|
|
|
|
|
|
| Range of Exercise Prices, Upper Range Limit (in dollars per share) |
$ 6.00
|
|
|
|
|
|
| Number Outstanding As of June 30, 2012 (in shares) |
15,830
|
|
|
|
|
|
| Weighted Average Remaining Contractual Term |
9 years 3 months 11 days
|
|
|
|
|
|
| Weighted Average Exercise Price (in dollars per share) |
$ 4.32
|
|
|
|
|
|
| Number Exercisable As of June 30, 2012 (in shares) |
8,555
|
|
|
|
|
|
| Weighted Average Exercise Price As of December 31,2011 (in dollars per share) |
$ 4.32
|
|
|
|
|
|
|
Range $6.25 to $11.70 [Member]
|
|
|
|
|
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
|
|
|
|
| Range of Exercise Prices, Lower Range Limit (in dollars per share) |
$ 6.25
|
|
|
|
|
|
| Range of Exercise Prices, Upper Range Limit (in dollars per share) |
$ 11.70
|
|
|
|
|
|
| Number Outstanding As of June 30, 2012 (in shares) |
54,435
|
|
|
|
|
|
| Weighted Average Remaining Contractual Term |
6 years 4 months 20 days
|
|
|
|
|
|
| Weighted Average Exercise Price (in dollars per share) |
$ 11.51
|
|
|
|
|
|
| Number Exercisable As of June 30, 2012 (in shares) |
48,937
|
|
|
|
|
|
| Weighted Average Exercise Price As of December 31,2011 (in dollars per share) |
$ 11.51
|
|
|
|
|
|
|
Range $17.80 to $28.10 [Member]
|
|
|
|
|
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
|
|
|
|
| Range of Exercise Prices, Lower Range Limit (in dollars per share) |
$ 17.80
|
|
|
|
|
|
| Range of Exercise Prices, Upper Range Limit (in dollars per share) |
$ 28.10
|
|
|
|
|
|
| Number Outstanding As of June 30, 2012 (in shares) |
49,648
|
|
|
|
|
|
| Weighted Average Remaining Contractual Term |
5 years 1 month 24 days
|
|
|
|
|
|
| Weighted Average Exercise Price (in dollars per share) |
$ 21.73
|
|
|
|
|
|
| Number Exercisable As of June 30, 2012 (in shares) |
49,623
|
|
|
|
|
|
| Weighted Average Exercise Price As of December 31,2011 (in dollars per share) |
$ 21.73
|
|
|
|
|
|
|
Range $30.56 to $61.80 [Member]
|
|
|
|
|
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
|
|
|
|
| Range of Exercise Prices, Lower Range Limit (in dollars per share) |
$ 30.56
|
|
|
|
|
|
| Range of Exercise Prices, Upper Range Limit (in dollars per share) |
$ 61.80
|
|
|
|
|
|
| Number Outstanding As of June 30, 2012 (in shares) |
14,506
|
|
|
|
|
|
| Weighted Average Remaining Contractual Term |
2 years 9 months 29 days
|
|
|
|
|
|
| Weighted Average Exercise Price (in dollars per share) |
$ 43.48
|
|
|
|
|
|
| Number Exercisable As of June 30, 2012 (in shares) |
14,498
|
|
|
|
|
|
| Weighted Average Exercise Price As of December 31,2011 (in dollars per share) |
$ 43.48
|
|
|
|
|
|
|
Range $61.94 to $151.94 [Member]
|
|
|
|
|
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
|
|
|
|
| Range of Exercise Prices, Lower Range Limit (in dollars per share) |
$ 61.94
|
|
|
|
|
|
| Range of Exercise Prices, Upper Range Limit (in dollars per share) |
$ 151.94
|
|
|
|
|
|
| Number Outstanding As of June 30, 2012 (in shares) |
854
|
|
|
|
|
|
| Weighted Average Remaining Contractual Term |
2 years 2 months 1 day
|
|
|
|
|
|
| Weighted Average Exercise Price (in dollars per share) |
$ 89.52
|
|
|
|
|
|
| Number Exercisable As of June 30, 2012 (in shares) |
832
|
|
|
|
|
|
| Weighted Average Exercise Price As of December 31,2011 (in dollars per share) |
$ 89.52
|
|
|
|
|
|
|
Range $152.21 to $285 [Member]
|
|
|
|
|
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
|
|
|
|
| Range of Exercise Prices, Lower Range Limit (in dollars per share) |
$ 152.21
|
|
|
|
|
|
| Range of Exercise Prices, Upper Range Limit (in dollars per share) |
$ 285.00
|
|
|
|
|
|
| Number Outstanding As of June 30, 2012 (in shares) |
58
|
|
|
|
|
|
| Weighted Average Remaining Contractual Term |
1 year 1 month 20 days
|
|
|
|
|
|
| Weighted Average Exercise Price (in dollars per share) |
$ 174.00
|
|
|
|
|
|
| Number Exercisable As of June 30, 2012 (in shares) |
46
|
|
|
|
|
|
| Weighted Average Exercise Price As of December 31,2011 (in dollars per share) |
$ 174.00
|
|
|
|
|
|
|
Range $286.72 to $300.27 [Member]
|
|
|
|
|
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
|
|
|
|
| Range of Exercise Prices, Lower Range Limit (in dollars per share) |
$ 286.72
|
|
|
|
|
|
| Range of Exercise Prices, Upper Range Limit (in dollars per share) |
$ 300.27
|
|
|
|
|
|
| Number Outstanding As of June 30, 2012 (in shares) |
2
|
|
|
|
|
|
| Weighted Average Remaining Contractual Term |
0 years
|
|
|
|
|
|
| Weighted Average Exercise Price (in dollars per share) |
$ 293.50
|
|
|
|
|
|
| Number Exercisable As of June 30, 2012 (in shares) |
0
|
|
|
|
|
|
| Weighted Average Exercise Price As of December 31,2011 (in dollars per share) |
$ 0
|
|
|
|
|
|
|
Stock Options [Member]
|
|
|
|
|
|
|
| Valuation assumptions to estimate the fair value of options and ESPP [Abstract] |
|
|
|
|
|
|
| Expected term |
6 years
|
|
6 years
|
|
|
|
| Volatility (in hundredths) |
10.00%
|
|
77.00%
|
|
|
|
| Risk-free interest rate (in hundredths) |
0.69%
|
|
1.76%
|
|
|
|
| Dividend yield (in hundredths) |
0.00%
|
|
0.00%
|
|
|
|
|
Employees stock purchase plan [Member]
|
|
|
|
|
|
|
| Valuation assumptions to estimate the fair value of options and ESPP [Abstract] |
|
|
|
|
|
|
| Expected term |
6 months
|
|
6 months
|
|
|
|
| Volatility (in hundredths) |
6.00%
|
|
43.00%
|
|
|
|
| Risk-free interest rate (in hundredths) |
0.09%
|
|
0.03%
|
|
|
|
| Dividend yield (in hundredths) |
0.00%
|
|
0.00%
|
|
|
|
|
Stock options and warrants [Member]
|
|
|
|
|
|
|
| Share-based Compensation [Abstract] |
|
|
|
|
|
|
| Options grants during the period (in shares) |
7,500
|
|
|
|
|
|
| Valuation assumptions to estimate the fair value of options and ESPP [Abstract] |
|
|
|
|
|
|
| Period for recognition of total unrecognized compensation cost |
2 years 3 months 7 days
|
|
|
|
|
|
| Stock option and warrant activity [Roll Forward] |
|
|
|
|
|
|
| Beginning outstanding (in shares) |
127,833
|
|
|
|
|
|
| Granted (in shares) |
7,500
|
|
|
|
|
|
| Expired (in shares) |
0
|
|
|
|
|
|
| Ending outstanding (in shares) |
135,333
|
|
|
|
|
|
| Ending vested and expected to vest (in shares) |
135,264
|
|
|
|
|
|
| Ending exercisable (in shares) |
122,491
|
|
|
|
|
|
| Weighted Average Exercise Price [Abstract] |
|
|
|
|
|
|
| Beginning outstanding (in dollars per share) |
$ 19.24
|
|
|
|
|
|
| Granted (in dollars per share) |
$ 3.60
|
|
|
|
|
|
| Expired (in dollars per share) |
$ 0
|
|
|
|
|
|
| Ending outstanding (in dollars per share) |
$ 18.38
|
|
|
|
|
|
| Ending vested and expected to vest (in dollars per share) |
$ 19.52
|
|
|
|
|
|
| Ending exercisable (in dollars per share) |
$ 19.52
|
|
|
|
|
|
| Weighted Average Remaining Contractual Term [Abstract] |
|
|
|
|
|
|
| Ending outstanding |
5 years 10 months 10 days
|
|
|
|
|
|
| Ending vested and expected to vest |
5 years 10 months 10 days
|
|
|
|
|
|
| Ending exercisable |
5 years 7 months 6 days
|
|
|
|
|
|
| Aggregate Intrinsic Value [Abstract] |
|
|
|
|
|
|
| Ending outstanding |
0
|
|
|
|
|
|
| Ending vested and expected to vest |
0
|
|
|
|
|
|
| Ending exercisable |
0
|
|
|
|
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
|
|
|
|
| Total unrecognized compensation cost related to outstanding options and warrants |
27,000
|
|
|
|
|
|
|
Restricted Stock Units (RSUs) [Member]
|
|
|
|
|
|
|
| Valuation assumptions to estimate the fair value of options and ESPP [Abstract] |
|
|
|
|
|
|
| Period for recognition of total unrecognized compensation cost |
2 years 10 months 20 days
|
|
|
|
|
|
|
Maximum [Member]
|
|
|
|
|
|
|
| Class of Warrant or Right [Line Items] |
|
|
|
|
|
|
| Exercise price of warrants (in dollars per share) |
$ 495.00
|
|
|
|
|
|
| Investment in Unconsolidated Affiliate [Abstract] |
|
|
|
|
|
|
| Estimated useful life of the underlying intangibles |
7 years
|
|
|
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
|
|
|
| Amortization period for intangible asset |
7 years
|
|
|
|
|
|
|
Minimum [Member]
|
|
|
|
|
|
|
| Class of Warrant or Right [Line Items] |
|
|
|
|
|
|
| Exercise price of warrants (in dollars per share) |
$ 30.00
|
|
|
|
|
|
| Investment in Unconsolidated Affiliate [Abstract] |
|
|
|
|
|
|
| Estimated useful life of the underlying intangibles |
5 years
|
|
|
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
|
|
|
| Amortization period for intangible asset |
5 years
|
|
|
|
|
|
|
Sequal Power [Member]
|
|
|
|
|
|
|
| Concentration Risk [Line Items] |
|
|
|
|
|
|
| Asset Impairment Charges |
|
$ 0
|
|
|
|
|