Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
REVENUES	$ 3,395	$ 2,863
COST OF REVENUES	(316)	(221)
Gross profit	3,079	2,642
OPERATING EXPENSES
Selling, general and administrative	2,943	5,945
Research and development	1,604	1,336
Total operating expenses	4,547	7,281
Loss from operations	(1,468)	(4,639)
OTHER INCOME
Gain on forgiveness of unsecured promissory note		10
Other income		5
Total other income		15
Net loss	$ (1,468)	$ (4,624)
Loss per common share -
Basic	$ (0.08)	$ (0.25)
Diluted	$ (0.08)	$ (0.25)
Weighted average common shares used in computing per share amounts -
Basic	18,674,493	18,480,013
Diluted	18,674,493	18,480,013