Annual report pursuant to Section 13 and 15(d)

14. Stock-Based Compensation (Tables)

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14. Stock-Based Compensation (Tables)
 12 Months Ended
Mar. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]  
Plan summary
Plan   Total Number of Options and Restricted Stock Units Outstanding in Plan  
2004 Plan   66,000  
2006 Plan   1,114,000  
2011 Plan   1,356,000  
    2,536,000  
Schedule of option activity
    Number of
Shares		     Weighted-
Average
Exercise Price		     Weighted-
Average
Contractual Term		     Aggregate
Intrinsic
Value		  
Outstanding at March 31, 2012     895,000     $ 16.52                  
Options granted     124,000       6.41                  
Options exercised     (10,000 )     5.53                  
Options forfeited or expired     (34,000 )     24.38                  
Outstanding at March 31, 2013     975,000       15.08                  
Options granted     1,648,000       3.91                  
Options exercised     –       –                  
Options forfeited or expired     (87,000 )     16.04                  
Outstanding at March 31, 2014     2,536,000       7.78       8.49     $ 258,000  
Exercisable at March 31, 2014     934,000     $ 14.11       6.25     $ 122,000  
Options available for grant as of March 31, 2014     916,000                          
Employee stock-based compensation expense
    Employee
Stock-based
Compensation
for the Year Ended
March 31, 2014		     Employee
Stock-based
Compensation
for the Year Ended
March 31, 2013		  
Cost of revenues   $ 126,000     $ 132,000  
Research and development     187,000       231,000  
Selling, general and administrative     794,000       791,000  
Total stock-based compensation   $ 1,107,000     $ 1,154,000  
Weighted-average assumptions of fair value of employee stock options
    Year Ended March 31,  
    2014     2013  
Fair value of common stock on date of grant   $ 3.91     $ 6.41  
Expected Term     5.96 yrs       5.80 yrs  
Risk-free interest rate     1.66%       0.72%  
Dividend yield     0.00%       0.00%  
Volatility     86.0%       88.0%