Restatements (Details 1) - USD ($) $ / shares in Units, 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 liability	(2,376)	1,587	(2,392)	2,623
Interest expense, net of interest income	(188)	(362)	(323)	(369)
Total other expenses	(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:
Income (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
As Reported [Member]
CONTINUING OPERATIONS:
REVENUES		$ 15		$ 1,054
COST OF REVENUES		17		653
GROSS PROFIT (LOSS)		(2)		401
OPERATING EXPENSES:
Selling, general and administrative		1,943		6,527
Depreciation, amortization, and impairment		306		924
Research and development		900		2,541
Total operating expenses		3,149		9,992
Loss from continuing operations before other expenses		(3,151)		(9,591)
OTHER INCOME (EXPENSE):
Interest expense, net of interest income		(362)		(369)
Total other expenses		(362)		(369)
LOSS FROM CONTINUING OPERATIONS BEFORE PROVISION FOR INCOME TAXES		(3,513)		(9,960)
DISCONTINUED OPERATIONS:
Income (loss) from discontinued operations		(757)		(1,923)
Gain on disposal of discontinued operations
Total discontinued operations		(757)		(1,923)
PROVISION FOR INCOME TAXES
NET LOSS		$ (4,270)		$ (11,883)
NET LOSS PER SHARE
Basic and diluted: Continuing operations		$ (0.07)		$ (0.2)
Discontinued operations		(0.01)		(0.04)
Total		$ (0.08)		$ (0.24)
SHARES USED IN CALCULATION OF NET LOSS PER SHARE
Basic and diluted		51,974		50,489
Restatement Adjustment [Member]
OTHER INCOME (EXPENSE):
Change in fair value of derivative liability		$ 1,587		$ 2,623
Total other expenses		1,587		2,623
LOSS FROM CONTINUING OPERATIONS BEFORE PROVISION FOR INCOME TAXES		1,587		2,623
DISCONTINUED OPERATIONS:
NET LOSS		1,587		2,623
As Restated [Member]
CONTINUING OPERATIONS:
REVENUES		15		1,054
COST OF REVENUES		17		653
GROSS PROFIT (LOSS)		(2)		401
OPERATING EXPENSES:
Selling, general and administrative		1,943		6,527
Depreciation, amortization, and impairment		306		924
Research and development		900		2,541
Total operating expenses		3,149		9,992
Loss from continuing operations before other expenses		(3,151)		(9,591)
OTHER INCOME (EXPENSE):
Change in fair value of derivative liability		1,587		2,623
Interest expense, net of interest income		(362)		(369)
Total other expenses		1,225		2,254
LOSS FROM CONTINUING OPERATIONS BEFORE PROVISION FOR INCOME TAXES		(1,926)		(7,337)
DISCONTINUED OPERATIONS:
Income (loss) from discontinued operations		(757)		(1,923)
Gain on disposal of discontinued operations
Total discontinued operations		(757)		(1,923)
PROVISION FOR INCOME TAXES
NET LOSS		$ (2,683)		$ (9,260)
NET LOSS PER SHARE
Basic and diluted: Continuing operations		$ (0.04)		$ (0.14)
Discontinued operations		(0.01)		(0.04)
Total		$ (0.05)		$ (0.18)
SHARES USED IN CALCULATION OF NET LOSS PER SHARE
Basic and diluted		51,974		50,489