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9. Stock Compensation (Tables)
 6 Months Ended
Sep. 30, 2017
Restricted Stock [Member]  
Share based compensation expense
   Three Months
Ended
September 30,
2017		   Three Months
Ended
September 30,
2016		   Six Months
Ended
September 30,
2017		   Six Months
Ended
September 30,
2016		 
Vesting of stock options and restricted stock units  $283,534   $1,523,280   $564,445   $1,573,991 
Total stock-based compensation expense  $283,534   $1,523,280   $564,445   $1,573,991 
                     
Weighted average number of common shares outstanding – basic and diluted   9,032,157    7,756,883    8,939,624    7,690,369 
                     
Basic and diluted loss per common share attributable to stock-based compensation expense  $(0.03)  $(0.20)  $(0.06)  $(0.20)
Options vested and expected to vest
   Number of RSUs 
Vested   46,125 
Expected to vest   415,125 
Total   461,250 
Options [Member]  
Options vested and expected to vest
   Number of
Shares		   Weighted
Average
Exercise
Price		   Weighted
Average
Remaining
Contractual
Term in
Years		 
             
Vested   432,047   $10.98    3.89 
Expected to vest   34,500   $1.68    9.71 
Total   466,547           
Schedule of stock options valuation assumptions
Risk free interest rate   2.21% 
Average expected life   10 years 
Expected volatility   92.14% 
Expected dividends   None 
Summary of stock options outstanding
   Amount   Range of
Exercise Price		   Weighted
Average
Exercise
Price		 
Stock options outstanding at March 31, 2017   432,047    $3.80-$20.50   $10.98 
Exercised   –    –    – 
Granted   34,500    $1.68   $1.68 
Cancelled/Expired   –    –    – 
Stock options outstanding at September 30, 2017   466,547    $1.68-$20.50   $10.30 
Stock options exercisable at September 30, 2017   432,047    $3.80-$20.50   $10.98