XML 27 R17.htm IDEA: XBRL DOCUMENT v3.20.2
STOCK-BASED COMPENSATION (Tables)
6 Months Ended
Sep. 30, 2020
STOCKHOLDERS' EQUITY  
Assumptions used in fair value method
         
   

Six Months Ended

September 30

    2020 2019
Risk-free interest rates     .28% - .37% 1.35% - 2.41%
Volatility     88% - 128% 97% - 102%
Expected life (years)     5.0 - 6.0  5.0 - 6.0
Dividend yield      —
Stock option activity
          Options Outstanding  
                Weighted  
    Shares           Average  
    Available     Number of     Exercise  
    for Grant     Shares     Prices  
Balance at March 31, 2020     822,055       3,177,945     $ 1.58  
Options granted     (230,476 )     230,476       2.88  
Options cancelled and returned to the Plan     833       (833)       2.25  
Balance at June 30, 2020     592,412       3,407,588       1.67  
    Options granted     (72,500)       72,500       2.87  
Balance at September 30, 2020     519,912       3,480,088       1.70  
Range of outstanding and exercisable options
    Options Outstanding     Options Exercisable  
Range of Exercise Price   Number
Outstanding
    Weighted
Average
Remaining
Contractual
Life
(in Years)
    Weighted
Average
Exercise
Price
    Number
Exercisable
    Weighted
Average
Exercise
Price
    Aggregate
Intrinsic
value
 
$0.66 - $3.16     3,480,088       8.67     $ 1.70       1,685,950     $ 1.00     $