CONSOLIDATED STATEMENTS OF EQUITY - USD ($)	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Noncontrolling Interest	Total
Beginning balance, shares at Mar. 31, 2017	8,797,086
Beginning balance, value at Mar. 31, 2017	$ 8,796	$ 94,445,739	$ (93,778,156)	$ (80,967)	$ 595,412
Issuances of common stock for cash under at the market program, shares	941,504
Issuances of common stock for cash under at the market program, value	$ 941	2,104,027			2,104,968
Issuances of common stock for cash under warrant exercises, shares	2,160,350
Issuances of common stock for cash under warrant exercises, value	$ 2,160	2,231,642			2,233,802
Issuances of common stock under conversions of convertible notes and related accrued interest, shares	120,922
Issuances of common stock under conversions of convertible notes and related accrued interest, value	$ 121	362,642			362,763
Issuance of common stock in public offering, shares	5,454,546
Issuance of common stock in public offering, value	$ 5,455	5,284,280			5,289,735
Loss on debt extinguishment					376,909
Issuance of common shares for repurchase of restricted stock units, shares	175,262
Issuance of common shares for repurchase of restricted stock units, value	$ 175	(278,808)			(278,633)
Common stock issued for services, shares	15,000
Common stock issued for services, value	$ 15	33,585			33,600
Issuance of common shares pursuant to warrant exchanges, shares	74,841
Issuance of common shares pursuant to warrant exchanges, value	$ 77	130,138			130,215
Stock-based compensation expense			1,260,769		1,260,769
Net loss			(5,679,558)	(20,279)	(5,699,837)
Ending balance, shares at Mar. 31, 2018	7,739,511
Ending balance, value at Mar. 31, 2018	$ 17,740	105,574,014	(99,457,714)	(101,246)	6,032,794
Issuances of common stock for cash under at the market program, shares	773,221
Issuances of common stock for cash under at the market program, value	$ 773	1,047,598			1,048,371
Issuances of common stock for cash under warrant exercises, shares	283,300
Issuances of common stock for cash under warrant exercises, value	$ 283	292,649			292,932
Loss on debt extinguishment					0
Issuance of common shares for repurchase of restricted stock units, shares	193,221
Issuance of common shares for repurchase of restricted stock units, value	$ 193	(194,059)			(193,866)
Common stock issued for services, shares	15,000
Common stock issued for services, value	$ 15	19,335			19,350
Stock-based compensation expense		1,319,001
Net loss			(6,194,719)	(24,785)	(6,219,504)
Ending balance, shares at Mar. 31, 2019	19,004,253
Ending balance, value at Mar. 31, 2019	$ 19,004	$ 108,058,538	$ (105,652,433)	$ (126,031)	$ 2,299,078