Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation (Details)

v2.4.0.8
Stock Based Compensation (Details) (USD $)
 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Stock Based Compensation [Abstract]    
Reverse stock split 1-for-5  
Weighted Average Grant Date Fair Value [Roll Forward]    
Stock-based compensation expense $ 352,000 $ 695,000
Exercise Price $2.90 - $4.50 [Member]
    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price Range, Lower Range Limit (in dollars per share) $ 2.90  
Exercise Price Range, Upper Range Limit (in dollars per share) $ 4.50  
Number of outstanding options at end of period (in shares) 271,329  
Weighted Average Remaining Contractual Term 8 years 11 months 23 days  
Weighted Average Exercise Price (in dollars per share) $ 3.67  
Number of Exercisable at end of period (in shares) 75,411  
Weighted Average Exercise Price (in dollars per share) $ 3.67  
Exercise Price $6.00 - $11.70 [Member]
    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price Range, Lower Range Limit (in dollars per share) $ 6.00  
Exercise Price Range, Upper Range Limit (in dollars per share) $ 11.70  
Number of outstanding options at end of period (in shares) 48,690  
Weighted Average Remaining Contractual Term 4 years 8 months 26 days  
Weighted Average Exercise Price (in dollars per share) $ 11.12  
Number of Exercisable at end of period (in shares) 48,690  
Weighted Average Exercise Price (in dollars per share) $ 11.12  
Exercise Price $17.80 - $28.10 [Member]
    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price Range, Lower Range Limit (in dollars per share) $ 17.80  
Exercise Price Range, Upper Range Limit (in dollars per share) $ 28.10  
Number of outstanding options at end of period (in shares) 39,244  
Weighted Average Remaining Contractual Term 3 years 5 months 19 days  
Weighted Average Exercise Price (in dollars per share) $ 21.63  
Number of Exercisable at end of period (in shares) 39,244  
Weighted Average Exercise Price (in dollars per share) $ 21.63  
Exercise Price $34.20 - $89.52 [Member]
    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price Range, Lower Range Limit (in dollars per share) $ 34.20  
Exercise Price Range, Upper Range Limit (in dollars per share) $ 89.52  
Number of outstanding options at end of period (in shares) 12,496  
Weighted Average Remaining Contractual Term 1 year 5 months 5 days  
Weighted Average Exercise Price (in dollars per share) $ 43.65  
Number of Exercisable at end of period (in shares) 12,496  
Weighted Average Exercise Price (in dollars per share) $ 43.65  
Exercise Price $2.90 - $89.52 [Member]
    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]    
Exercise Price Range, Lower Range Limit (in dollars per share) $ 2.90  
Exercise Price Range, Upper Range Limit (in dollars per share) $ 89.52  
Number of outstanding options at end of period (in shares) 371,759  
Weighted Average Remaining Contractual Term 7 years 7 months 2 days  
Weighted Average Exercise Price (in dollars per share) $ 7.89  
Number of Exercisable at end of period (in shares) 175,841  
Weighted Average Exercise Price (in dollars per share) $ 12.58  
Stock Options [Member]
    
Options and Warrants Additional Disclosures [Abstract]    
Options, Weighted Average Grant Date Fair Value $ 3.06 $ 2.82
Fair Value Assumptions and Methodology [Abstract]    
Expected life (years) 6 years 6 years
Volatility (in hundredths) 152.00% 156.80%
Risk-free interest rate (in hundredths) 1.52% 0.65%
Dividend yield (in hundredths) 0.00% 0.00%
Weighted Average Grant Date Fair Value [Roll Forward]    
Total Compensation Cost Not yet Recognized 392,000  
Compensation cost, Period for recognition 3 years 0 months 29 days  
Restricted Stock Units (RSUs) [Member]
    
Restricted Stock Units [Roll Forward]    
Balance at beginning of period (in shares) 183,904  
Granted ( in shares) 10,000  
Released (in shares) (40,397)  
Vested (in shares) (24,437)  
Balance at end of period (in shares) 129,070 183,904
Weighted Average Grant Date Fair Value [Roll Forward]    
Balance at beginning of period (in dollars per share) $ 2.67  
Granted (in dollars per share) $ 3.22 $ 3.84
Released (in dollars per share) $ 2.56  
Vested (in dollars per share) $ 2.56  
Balance at end of period (in dollars per share) $ 2.77 $ 2.67
Total Compensation Cost Not yet Recognized 209,000  
Compensation cost, Period for recognition 1 year 3 months 18 days  
Stock Option and Warrants [Member]
    
Options and Warrants Outstanding [Roll Forward]    
Outstanding, Number, Beginning Balance (in shares) 263,807  
Granted (in shares) 120,332  
Exercised (in shares) (10,000)  
Expired (in shares) (2,380)  
Outstanding, Number, Ending Balance (in shares) 371,759  
Weighted Average Exercise Price [Roll Forward]    
Beginning Balance (in dollars per share) $ 10.22  
Granted (in dollars per share) $ 3.51  
Exercised (in dollars per share) $ 3.45  
Expired (in dollars per share) $ 63.97  
Ending Balance (in dollars per share) $ 7.89  
Options and Warrants Additional Disclosures [Abstract]    
Vested and Expected to Vest, Outstanding, Number (in shares) 371,437  
Exercisable, Number (in shares) 175,841  
Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price (in dollars per share) $ 7.89  
Exercisable, Weighted Average Exercise Price (in dollars per share) $ 12.58  
Options, Weighted Average Remaining Contractual Term 7 years 7 months 2 days  
Exercisable, Weighted Average Remaining Contractual Term 5 years 9 months 25 days  
Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term 7 years 7 months 2 days  
Options, Outstanding, Intrinsic Value 775,000  
Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value 775,000  
Exercisable, Intrinsic Value $ 775,000