Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation (Details)

v2.4.0.6
Stock Based Compensation (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Stock Based Compensation [Abstract]    
Reverse stock split 1-for-5  
Weighted Average Grant Date Fair Value [Roll Forward]    
Stock-based compensation expense $ 695 $ 175
Exercise Price $2.90 - $6.00 [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) $ 6.00  
Number of outstanding options at end of period (in shares) 164,329  
Weighted Average Remaining Contractual Term 9 years 3 months 22 days  
Weighted Average Exercise Price (in dollars per share) $ 3.81  
Number of Exercisable at end of period (in shares) 51,244  
Weighted Average Exercise Price (in dollars per share) $ 3.73  
Exercise Price $6.25 - $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) $ 6.25  
Exercise Price Range, Upper Range Limit (in dollars per share) $ 11.70  
Number of outstanding options at end of period (in shares) 45,358  
Weighted Average Remaining Contractual Term 5 years 7 months 20 days  
Weighted Average Exercise Price (in dollars per share) $ 11.50  
Number of Exercisable at end of period (in shares) 45,358  
Weighted Average Exercise Price (in dollars per share) $ 11.50  
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) 39,269  
Weighted Average Remaining Contractual Term 4 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 - $61.80 [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) $ 61.80  
Number of outstanding options at end of period (in shares) 14,006  
Weighted Average Remaining Contractual Term 2 years 2 months 5 days  
Weighted Average Exercise Price (in dollars per share) $ 43.95  
Number of Exercisable at end of period (in shares) 13,998  
Weighted Average Exercise Price (in dollars per share) $ 43.95  
Exercise Price $61.94 - $$151.94 [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) $ 61.94  
Exercise Price Range, Upper Range Limit (in dollars per share) $ 151.94  
Number of outstanding options at end of period (in shares) 854  
Weighted Average Remaining Contractual Term 1 year 5 months 8 days  
Weighted Average Exercise Price (in dollars per share) $ 89.52  
Number of Exercisable at end of period (in shares) 832  
Weighted Average Exercise Price (in dollars per share) $ 89.52  
Exercise Price $152.21 - $285.00 [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) $ 152.21  
Exercise Price Range, Upper Range Limit (in dollars per share) $ 285.00  
Number of outstanding options at end of period (in shares) 58  
Weighted Average Remaining Contractual Term 6 months 14 days  
Weighted Average Exercise Price (in dollars per share) $ 174.00  
Number of Exercisable at end of period (in shares) 46  
Weighted Average Exercise Price (in dollars per share) $ 174.00  
Exercise Price $286.72 - $300.27 [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) $ 286.72  
Exercise Price Range, Upper Range Limit (in dollars per share) $ 300.27  
Number of outstanding options at end of period (in shares) 2  
Weighted Average Remaining Contractual Term 0 years  
Weighted Average Exercise Price (in dollars per share) $ 0  
Number of Exercisable at end of period (in shares) 0  
Weighted Average Exercise Price (in dollars per share) $ 0  
Exercise Price $2.90 - $300.7 [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) $ 300.27  
Number of outstanding options at end of period (in shares) 263,876  
Weighted Average Remaining Contractual Term 7 years 6 months 18 days  
Weighted Average Exercise Price (in dollars per share) $ 10.23  
Number of Exercisable at end of period (in shares) 150,722  
Weighted Average Exercise Price (in dollars per share) $ 14.99  
Stock Options [Member]
   
Options and Warrants Additional Disclosures [Abstract]    
Options, Weighted Average Grant Date Fair Value $ 2.82 $ 3.43
Fair Value Assumptions and Methodology [Abstract]    
Expected Term 6 years 6 years
Volatility (in hundredths) 156.80% 154.90%
Risk-free interest rate (in hundredths) 0.65% 1.04%
Dividend yield (in hundredths) 0.00% 0.00%
Weighted Average Grant Date Fair Value [Roll Forward]    
Total Compensation Cost Not yet Recognized   261
Compensation cost, Period for recognition   3 years 1 month 13 days
Restricted Stock Units (RSUs) [Member]
   
Restricted Stock Units [Roll Forward]    
Balance at beginning of period (in shares) 236,541  
Granted ( in shares) 318,417  
Forfeited (in shares) (279,760)  
Released (in shares) (27,740)  
Vested (in shares) (63,554)  
Balance at end of period (in shares) 183,904 236,541
Weighted Average Grant Date Fair Value [Roll Forward]    
Balance at beginning of period (in dollars per share) $ 2.11  
Granted (in dollars per share) $ 3.84 $ 1.79
Forfeited (in dollars per share) $ 3.51  
Vested (in dollars per share) $ 2.73  
Balance at end of period (in dollars per share) $ 2.67 $ 2.11
Total Compensation Cost Not yet Recognized 380  
Compensation cost, Period for recognition 2 years 1 month 10 days  
Stock Option and Warrants [Member]
   
Options and Warrants Outstanding [Roll Forward]    
Outstanding, Number, Beginning Balance (in shares) 127,833  
Granted (in shares) 191,999  
Forfeited (in shares) (36,379)  
Expired (in shares) (19,577)  
Outstanding, Number, Ending Balance (in shares) 263,876  
Weighted Average Exercise Price [Roll Forward]    
Beginning Balance (in dollars per share) $ 19.24  
Granted (in dollars per share) $ 3.82  
Forfeited (in dollars per share) $ 4.02  
Expired (in dollars per share) $ 17.68  
Ending Balance (in dollars per share) $ 10.23  
Options and Warrants Additional Disclosures [Abstract]    
Vested and Expected to Vest, Outstanding, Number (in shares) 263,807  
Exercisable, Number (in shares) 150,722  
Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price (in dollars per share) $ 10.22  
Exercisable, Weighted Average Exercise Price (in dollars per share) $ 14.99  
Options, Weighted Average Remaining Contractual Term 7 years 6 months 18 days  
Exercisable, Weighted Average Remaining Contractual Term 7 years 6 months 22 days  
Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term 6 years 2 months 5 days  
Options, Outstanding, Intrinsic Value 0  
Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value 0  
Exercisable, Intrinsic Value $ 0