Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.21.2
Stock-Based Compensation (Tables)
3 Months Ended
Jun. 30, 2021
Share-based Payment Arrangement [Abstract]  
Employee stock-based compensation expense
           
    Three Months Ended June 30,  
    2021     2020  
Cost of revenues   $     $ (21,000 )
Research and development           (14,000 )
Selling, general and administrative     59,000       98,000  
Total stock-based compensation   $ 59,000     $ 63,000  
Schedule of option activity
           
    Number of
Shares
    Weighted-
Average
Exercise Price
 
Outstanding at April 1, 2021     267,569     $ 25.16  
Options granted            
Options exercised            
Options forfeited     (250 )     8.03  
Options expired     (13,268 )     87.48  
Outstanding at June 30, 2021     254,041     $ 21.92  
Exercisable at June 30, 2021     130,970     $ 34.98  
Schedule of unvested restricted stock activity
           
   

Number of

Shares

   

Weighted

Average Award

Date Fair Value

per Share

 
Unvested restricted stock awards outstanding at April 1, 2021     833     $ 13.68  
Restricted stock awards granted            
Restricted stock awards vested            
Restricted stock awards forfeited            
Unvested restricted stock awards outstanding at June 30, 2021     833     $ 13.68