Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
CONTINUING OPERATIONS:
REVENUES	$ 44	$ 15	$ 123	$ 1,054
COST OF REVENUES	13	17	74	653
GROSS PROFIT (LOSS)	31	(2)	49	401
OPERATING EXPENSES:
Selling, general and administrative	2,232	1,943	5,464	6,527
Depreciation, amortization, and impairment	68	306	216	924
Research and development	424	900	2,109	2,541
Total operating expenses	2,724	3,149	7,789	9,992
Loss from continuing operations before other expenses	(2,693)	(3,151)	(7,740)	(9,591)
OTHER INCOME (EXPENSE):
Change in fair value of derivative liabilities	(2,376)	1,587	(2,392)	2,623
Loss on exchange of warrants for common stock	(220)		(1,059)
Gain on sale of equipment	16		16
(Interest expense), net of interest income	(188)	(362)	(323)	(369)
Total other income (expense)	(2,768)	1,225	(3,758)	2,254
LOSS FROM CONTINUING OPERATIONS BEFORE PROVISION FOR INCOME TAXES	(5,461)	(1,926)	(11,498)	(7,337)
DISCONTINUED OPERATIONS:
Loss from discontinued operations		(757)		(1,923)
Gain on disposal of discontinued operations			2
Total discontinued operations		(757)	2	(1,923)
PROVISION FOR INCOME TAXES
NET LOSS	$ (5,461)	$ (2,683)	$ (11,496)	$ (9,260)
NET LOSS PER SHARE
Basic and diluted: Continuing operations	$ (0.08)	$ (0.04)	$ (0.19)	$ (0.14)
Discontinued operations		(0.01)		(0.04)
Total	$ (0.08)	$ (0.05)	$ (0.19)	$ (0.18)
SHARES USED IN CALCULATION OF NET LOSS PER SHARE
Basic and diluted	67,540	51,974	61,342	50,489