Annual report pursuant to Section 13 and 15(d)

OPTIONS AND WARRANTS - Schedule of stockholders' equity note, warrants or rights, activity (Details)

v3.20.2
OPTIONS AND WARRANTS - Schedule of stockholders' equity note, warrants or rights, activity (Details) - $ / shares
 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Share-based Payment Arrangement [Abstract]      
Number of warrants, Outstanding, Beginning Balance 6,188,222 4,030,059  
Weighted-Average Exercise Price, Outstanding, Beginning Balance $ 1.16 $ 0.79  
Number of warrants, Granted 0 4,252,541  
Weighted-Average Exercise Price, Granted $ 0 $ 1.40  
Number of warrants, Exercised (3,974,000) (2,092,052) (3,900,000)
Weighted-Average Exercise Price, Exercised $ 0.63 $ 0.90  
Number of warrants, Cancelled or Expired (127,733) (2,326)  
Weighted-Average Exercise Price, Cancelled or Expired $ 5.78 $ 27.50  
Number of warrants, Outstanding, Ending Balance 2,086,489 6,188,222 4,030,059
Weighted-Average Exercise Price, Outstanding, Ending Balance $ 1.80 $ 1.16 $ 0.79
Number of warrants, Exercisable 2,086,489    
Weighted-Average Exercise Price, Exercisable $ 1.80