Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues	$ 25,240	$ 24,909	$ 21,360
Cost of revenues	15,949	14,645	16,474
Gross profit	9,291	10,264	4,886
Operating Expenses:
General & administrative	5,857	6,126	6,095
Marketing & selling	3,191	2,799	3,577
Research & development	1,326	1,130	1,280
Total Operating Expenses	10,374	10,055	10,952
Operating (loss) income	(1,083)	209	(6,066)
Other Income (Expense):
Gain on forgiveness of PPP Loan	(0)	2,181	(0)
Settlements	0	(3,150)	0
Other income (expense)	43	(61)	(140)
Total Other Income (Expense)	43	(1,030)	(140)
Net loss before provision for (benefit from) income taxes	(1,040)	(821)	(6,206)
Provision for (benefit from) income taxes	44	(156)	(2,347)
Net loss	(1,084)	(665)	(3,859)
Other Comprehensive Loss:
Foreign currency translation, net of taxes	0	0	(10)
Total Comprehensive Loss	$ (1,084)	$ (665)	$ (3,869)
Basic net loss per share (in dollars per share)	$ (0.19)	$ (0.12)	$ (0.70)
Diluted net loss per share (in dollars per share)	(0.19)	(0.12)	(0.70)
Dividends declared, per share (in dollars per share)	$ 0.21	$ 0.05	$ 0.18
Weighted average common shares outstanding:
Basic (in shares)	5,626	5,549	5,524
Diluted (in shares)	5,626	5,549	5,524