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9. Stock Compensation (Tables)
3 Months Ended
Jun. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share based compensation expense
   June 30, 2015   June 30, 2014 
Vesting of stock options  $50,711   $170,887 
Incremental fair value of option modifications        
Vesting expense associated with CEO restricted stock grant        
Total stock-based compensation expense  $50,711   $170,887 
           
Weighted average number of common shares outstanding – basic and diluted   6,720,484    4,542,253 
           
Basic and diluted loss per common share  $(0.01)  $(0.04)
Assumptions used
Risk free interest rate 2.6%
Average expected life    10 years
Expected volatility      90.23%
Expected dividends  None
Options vested and expected to vest
    Number of
Shares
    Weighted
Average
Exercise
Price
    Weighted
Average
Remaining
Contractual
Term in
Years
 
                   
Vested     428,057     $ 11.66       5.04  
Expected to vest     67,633     $ 6.01       8.22  
Total     495,690                  
Option activity
    Amount     Range of
Exercise Price
    Weighted
Average
Exercise
Price
 
Stock options outstanding at March 31, 2015     501,690       $4.00-$20.50     $ 12.50  
Exercised                  
Granted                  
Cancelled/Expired     (6,000     $20.50     20.50  
Stock options outstanding at June 30, 2015     495,690       $4.00-$20.50     $ 10.89  
Stock options exercisable at June 30, 2015     428,057       $4.00-$20.50     $ 11.66