CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]	Total
Beginning balance, value at Mar. 31, 2020	$ 9,368	$ 121,426,563	$ (112,026,381)	$ (132,124)	$ 9,277,426
Beginning balance, shares at Mar. 31, 2020	9,366,873
Issuances of common stock for cash under at the market program	$ 2,686	7,258,183			7,260,869
Issuances of common stock for cash under at the market program, shares	2,685,600
Stock-based compensation expense		84,207			84,207
Net loss			(1,410,283)	(863)	(1,411,146)
Ending balance, value at Jun. 30, 2020	$ 12,072	128,744,684	(113,436,664)	(132,987)	15,187,105
Ending balance, shares at Jun. 30, 2020	12,070,393
Issuance of common shares upon vesting of restricted stock units and net stock option exercise	$ 18	(24,269)			(24,251)
Issuance of common shares upon vesting of restricted stock units and net stock option exercise, shares	17,920
Beginning balance, value at Mar. 31, 2021	$ 12,152	129,331,542	(119,913,090)	(136,914)	9,293,690
Beginning balance, shares at Mar. 31, 2021	12,150,597
Issuances of common stock for cash under at the market program	$ 626	4,947,159			4,947,785
Issuances of common stock for cash under at the market program, shares	626,000
Issuances of common stock for cash in registered direct financing	$ 1,381	11,657,663			11,659,044
Issuances of common stock for cash in registered direct financing, shares	1,380,555
Issuances of common stock for cash under warrant exercises	$ 531	820,407			820,938
Issuances of common stock for cash under warrant exercises, shares	531,167
Issuances of common stock for cash under stock option exercises	$ 11	28,314			28,325
Issuances of common stock for cash under stock option exercises, shares	11,562
Issuances of common stock under cashless warrant exercises	$ 676	(676)
Issuances of common stock under cashless warrant exercises, shares	675,554
Issuance of common shares upon vesting of restricted stock units	$ 11	(35,797)			(35,786)
Issuance of common shares upon vesting of restricted stock units, shares	10,932
Stock-based compensation expense		120,154			120,154
Net loss			(2,097,303)	(1,135)	(2,098,438)
Ending balance, value at Jun. 30, 2021	$ 15,388	$ 146,868,766	$ (122,010,393)	$ (138,049)	$ 24,735,712
Ending balance, shares at Jun. 30, 2021	15,386,367