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9. Stock Compensation (Tables) - Options [Member]
3 Months Ended
Jun. 30, 2016
Share based compensation expense
   June 30,
2016
   June 30,
2015
 
Vesting of stock options  $50,710   $50,711 
Total stock-based compensation expense  $50,710   $50,711 
           
Weighted average number of common shares outstanding – basic and diluted   7,622,393    6,720,484 
           
Basic and diluted loss per common share  $(0.01)  $(0.01)
Options vested and expected to vest
   Number of
Shares
   Weighted
Average
Exercise
Price
   Weighted
Average
Remaining
Contractual
Term in
Years
 
                
Vested   402,214   $11.46    4.95 
Expected to vest   36,333   $5.17    7.28 
Total   438,547