Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION - Narrative (Details)

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STOCK-BASED COMPENSATION - Narrative (Details) - USD ($)
9 Months Ended 12 Months Ended
Dec. 31, 2016
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Compensation cost $ 654,366 $ 794,939
Unamortized compensation expense   $ 637,872
Weighted average years remaining   1 year 2 months 9 days
Cash received in exercise of stock options 15,000 $ 111,676
Exercised/Released 109,900 42,532
Fair value of units vested $ 712,297 $ 861,737
Shares issued during period (shares) 848,000  
Weighted average grant date fair value (usd per share) $ 0.49  
Employee Stock Option    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Award vesting period   6 years
Volatility, minimum 64.00%  
Volatility, maximum 69.00%  
Employee Stock Option | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term 3 years  
Employee Stock Option | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term 3 years 4 months 2 days  
Board of Directors | RSUs    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
RSUs issued (shares)   96,081
Grant date fair value   $ 177,750
Chief Financial Officer | RSUs    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
RSUs issued (shares)   66,758
Grant date fair value   $ 126,840
2014 Equity Incentive Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares authorized (shares)   4,812,000