Quarterly report pursuant to Section 13 or 15(d)

7. Stock-Based Compensation (Tables)

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7. Stock-Based Compensation (Tables)
9 Months Ended
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]  
Share-based compensation expense
    Three Months     Nine Months  
    Ended     Ended  
    December 31,     December 31,  
    2018     2017     2018     2017  
Cost of service revenue   $ 24,000     $ 43,000     $ 89,000     $ 136,000  
Research and development     26,000       38,000       87,000       128,000  
Selling, general and administrative     352,000       584,000       1,099,000       1,266,000  
Total stock-based compensation   $ 402,000     $ 665,000     $ 1,275,000     $ 1,530,000  
Schedule of option activity
   

Number of

Shares

   

Weighted-

Average

Exercise Price

   

Weighted-

Average

Contractual Term

   

Aggregate

Intrinsic

Value

 
Outstanding at April 1, 2018     1,393,000     $ 12.70                  
Options granted     159,000       2.64                  
Options forfeited     (48,000 )     6.69                  
Options expired     (63,000 )     11.91                  
Outstanding at December 31, 2018     1,441,000     $ 11.83       4.79     $  
Exercisable at December 31, 2018     1,103,000     $ 13.53       3.73     $  
Restricted Stock Award Activity
   

Number of

Shares

   

Weighted

Average Award

Date Fair Value

per Share

 
Unvested restricted stock awards outstanding at April 1, 2018     32,000     $ 6.46  
Restricted stock awards granted     27,000       1.90  
Restricted stock awards forfeited     (4,000 )     6.97  
Restricted stock awards vested     (21,000 )     5.91  
Unvested restricted stock awards outstanding at December 31, 2018     34,000     $ 3.18