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5. EQUITY TRANSACTIONS (Details Narrative) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Mar. 31, 2017
Mar. 31, 2016
Proceeds from issuance of common stock and warrants     $ 7,166,081 $ 554,306 $ 2,759,355 $ 5,606,755
Adjustment of warrants $ 0 $ 0 0 345,841 345,841 0
Unrecognized stock option expense         $ 3,203,208  
Weighted average remaining vesting period         2 years 7 months 13 days  
Stock Based Compensation     $ 887,607 $ 1,880,150 $ 2,186,309 $ 202,844
Restricted Stock Units (RSUs) [Member]            
RSU's vested         46,125  
RSU's exchanged         36,150  
RSU's cancelled in exchange for withholding tax         13,146  
Optioins cancelled for withholding tax         $ 75,550  
Amendment of November 2014 Investment Documents [Member]            
Warrants issued         30,000  
Fair value of warrants         $ 111,900  
December 2016 10% Convertible Notes [Member]            
Warrants issued         127,575  
Fair value of warrants         $ 380,174  
March 2017 Equity Financing [Member]            
Warrants issued         575,000  
Fair value of warrants         $ 1,493,390  
2010 Stock Incentive Plan            
Shares authorized         3,170,000  
Shares available for issuance         2,241,549  
Stock based compensation expense         $ 2,076,535  
2005 Director Compensation Plan [Member]            
Shares available for issuance         0  
Options granted         26,757  
Options forfeited         21,756  
Options exercised         5,000  
2012 Directors Compensation Program [Member]            
Options granted         79,309 11,053
Options forfeited         79,309  
2000 Stock Option Plan            
Shares available for future issuance         9,800  
Amendment of December 2014 Warrants [Member]            
Adjustment of warrants         $ 345,841  
March 2017 Equity Financing [Member]            
Proceeds from issuance of common stock and warrants         $ 1,804,250  
Number of securities that warrants may convert to         575,000  
Reduction of price [Member] | March 2017 Equity Financing [Member]            
Fair value of warrants         $ 219,048  
Warrant exchange [Member] | March 2017 Equity Financing [Member]            
Warrants issued         (264,000)  
Fair value of warrants         $ 528,000  
H.C. Wainwright [Member]            
Proceeds from issuance of common stock and warrants         $ 955,206  
Stock sold new, shares issued         216,078  
Three Investors [Member]            
Stock issued for exercise of warrants, shares issued         2,660  
Stock issued upon conversion of warrants         2,660  
Outside Directors and Executive Officers [Member]            
RSU's exchanged for common stock, RSU's exchanged         149,864  
RSU's exchanged for common stock, Common stock issued         149,864  
James A. Joyce [Member]            
RSU's granted         634,000  
RSU's vested         158,500  
Rodney S. Kenley [Member]            
RSU's granted         52,000  
RSU's vested         13,000  
James B. Frakes [Member]            
RSU's granted         52,000  
RSU's vested         13,000  
Non Employee Directors [Member]            
RSU's granted         49,296  
RSU's vested         12,324  
Executives [Member] | Restricted Stock Units (RSUs) [Member]            
RSU's exchanged         184,500  
RSU's cancelled         70,786  
RSU's cancelled, common stock issued         113,714