Quarterly report pursuant to Section 13 or 15(d)

8. Stock-Based Compensation (Tables)

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8. Stock-Based Compensation (Tables)
 9 Months Ended
Dec. 31, 2019
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,  
    2019     2018     2019     2018  
Cost of service revenue   $ 17,000     $ 24,000     $ 51,000     $ 89,000  
Research and development     19,000       26,000       60,000       87,000  
Selling, general and administrative     76,000       352,000       426,000       1,099,000  
Total stock-based compensation   $ 112,000     $ 402,000     $ 537,000     $ 1,275,000  
Schedule of option activity
    Number of
Shares		     Weighted-
Average
Exercise Price		     Weighted-
Average
Contractual Term		     Aggregate
Intrinsic
Value		  
Outstanding at April 1, 2019     165,000     $ 72.88       –       –  
Options granted     268,000       4.36       –       –  
Options exercised     –       –       –       –  
Options forfeited     (7,000 )     32.07       –       –  
Options expired     (68,000 )     36.61       –       –  
Outstanding at December 31, 2019     358,000     $ 29.27       8.96     $ –  
Exercisable at December 31, 2019     77,000     $ 111.48       5.61     $ –  
Restricted Stock Award Activity
   

Number of

Shares

    

Weighted

Average Award

Date Fair Value

per Share

  
Unvested restricted stock awards outstanding at April 1, 2019     4,000     $ 27.96  
Restricted stock awards granted     –       –  
Restricted stock awards vested     (2,000 )     39.02  
Restricted stock awards forfeited     –       –  
Unvested restricted stock awards outstanding at December 31, 2019     2,000     $ 13.68