RESTATEMENTS Narrative (Details) - USD ($)	3 Months Ended								6 Months Ended	9 Months Ended		12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit	$ 5,563,000	$ 5,294,000	$ 4,674,000	$ 3,563,000	$ 3,556,000	$ 2,521,000	$ 2,537,000	$ 2,212,000	$ 8,237,000	$ 13,531,000	$ 7,270,000	$ 19,094,000	$ 10,826,000	$ 6,958,000
Operating expenses				9,293,000		5,309,000					15,711,000	39,963,000	25,102,000	20,843,000
Other losses, net				(295,000)		(868,000)			(495,000)	(265,000)	(868,000)	(351,000)	(947,000)	0
Net loss						(68,469,000)					(67,262,000)	19,706,000	(62,719,000)	5,062,000
Sales	(8,382,000)	(7,575,000)	(6,649,000)	(5,629,000)	(5,845,000)	(3,672,000)	(3,691,000)	(3,397,000)	$ (12,278,000)	(19,853,000)	(10,760,000)	(28,235,000)	(16,605,000)	(10,234,000)
Operating Income (Loss)				(5,730,000)		(2,788,000)					(8,441,000)	(20,869,000)	(14,276,000)	(13,885,000)
Net loss from continuing operations	$ (5,433,000)	$ (4,370,000)	$ (4,295,000)	(5,608,000)	$ (3,912,000)	(1,143,000)	$ (2,938,000)	$ (2,791,000)			(6,872,000)	$ (19,706,000)	(10,784,000)	$ (13,682,000)
Elimination Of Markup On Intercompany Sales | Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit				113,000
Operating expenses				113,000
Income Tax Provision Corrections | Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Operating expenses				16,000		51,000					51,000		51,000
Other losses, net				(301,000)		(713,000)					(713,000)		(713,000)
Net loss				317,000		764,000					$ 764,000		764,000
Appropriate Cutoff Of Transactions Corrections | Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit													33,000
Operating expenses						59,000				59,000
Net loss				40,000		59,000				59,000
Sales													81,000
Operating Income (Loss)				90,000		$ (59,000)				$ (59,000)			(74,000)
Net loss from continuing operations													56,000
Stock-based Compensation Corrections | Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Operating expenses				453,000									582,000
Net loss				453,000									582,000
Operating Income (Loss)				(453,000)									$ (582,000)
Pre-development Activities On OEM Contracts | Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Operating expenses				(77,000)
Net loss				117,000
Sales				194,000
Operating Income (Loss)				$ (117,000)