Quarterly report pursuant to Section 13 or 15(d)

9. Stock Compensation (Tables)

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9. Stock Compensation (Tables)
9 Months Ended
Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share based compensation expense
    Three Months
Ended
December 31,
2018
    Three Months
Ended
December 31,
2017
    Nine Months
Ended
December 31,
2018
    Nine Months
Ended
December 31,
2017
 
Vesting of stock options and restricted stock units   $ 344,854     $ 323,162     $ 944,512     $ 887,607  
Total stock-based compensation expense   $ 344,854     $ 323,162     $ 944,512     $ 887,607  
                                 
Weighted average number of common shares outstanding – basic and diluted     18,050,165       14,950,701       17,865,176       10,927,106  
                                 
Basic and diluted loss per common share attributable to stock-based compensation expense   $ (0.02 )   $ (0.02 )   $ (0.05 )   $ (0.08 )
RSUs vested and expected to vest
    Number of RSUs  
Vested     46,125  
Expected to vest     240,650  
Total     286,775  
Options vested and expected to vest
    Number of
Shares
    Weighted
Average
Exercise
Price
    Weighted
Average
Remaining
Contractual
Term in
Years
 
                   
Vested     356,047     $ 8.83       3.59  
Expected to vest     570,625     $ 1.26       9.95  
Total     926,672                  
Schedule of stock options valuation assumptions
Risk free interest rate 2.85%
Average expected life 10 years
Expected volatility 94.64%
Expected dividends  None
Summary of stock options outstanding
    Amount     Range of
Exercise Price
    Weighted
Average
Exercise
Price
 
Stock options outstanding at March 31, 2018     409,047       $1.68-$20.50     $ 9.51  
Exercised               $  
Granted     552,625     $ 1.25     $ 1.25  
Cancelled/Expired     (35,000 )   $ 20.50     $ 20.50  
Stock options outstanding at December 31, 2018     926,672       $1.25 – $12.50     $ 4.17  
Stock options exercisable at December 31, 2018     356,047       $1.68 – $12.50     $ 8.83