Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
REVENUES	$ 4,008	$ 4,797	$ 7,403	$ 7,660
COST OF REVENUES	(364)	(1,469)	(680)	(1,689)
Gross profit	3,644	3,328	6,723	5,971
OPERATING EXPENSES
Selling, general and administrative	3,124	2,813	6,068	8,758
Research and development	1,618	1,352	3,221	2,689
Total operating expenses	4,742	4,165	9,289	11,447
Loss from operations	(1,098)	(837)	(2,566)	(5,476)
OTHER INCOME
Gain on forgiveness of unsecured promissory note				10
Interest and other income		1		5
Total other income		1		15
Net loss	$ (1,098)	$ (836)	$ (2,566)	$ (5,461)
Loss per common share -
Basic/Diluted	$ (0.06)	$ (0.04)	$ (0.14)	$ (0.29)
Weighted average common shares used in computing per share amounts -
Basic/Diluted	18,812,418	18,615,775	18,736,736	18,548,342