Condensed Consolidated 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
Revenues	$ 6,513	$ 6,087	$ 13,021	$ 11,800
Cost of revenues	4,240	3,651	8,307	6,796
Gross profit	2,273	2,436	4,714	5,004
Operating Expenses:
General & administrative	1,445	1,280	2,772	2,809
Marketing & selling	813	656	1,619	1,298
Research & development	357	293	675	573
Total Operating Expenses	2,615	2,229	5,066	4,680
Operating (loss) income	(342)	207	(352)	324
Other (expense) income	(9)		57	(14)
(Loss) income before (benefit from) provision for income taxes	(351)	207	(295)	310
(Benefit from) provision for income taxes	(13)	73	4	93
Net (loss) income	$ (338)	$ 134	$ (299)	$ 217
Basic net (loss) income per share (in dollars per share)	$ (0.06)	$ 0.02	$ (0.05)	$ 0.04
Diluted net (loss) income per share (in dollars per share)	(0.06)	0.02	(0.05)	0.04
Dividends declared, per share (in dollars per share)	$ 0.07	$ 0	$ 0.07	$ 0