Consolidated Statements of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Net revenues	$ 13,439	$ 12,229
Cost of goods sold	9,916	7,184
Gross profit	3,523	5,045
Operating expenses:
Engineering	588	502
Sales and marketing	1,397	1,337
General and administrative	1,608	1,716
Total operating expenses	3,593	3,555
Income (loss) from operations	(70)	1,490
Other income	45
Income (loss) before income taxes	(25)	1,490
Provision (benefit) for income taxes	(18)	4
Net income (loss)	(7)	1,486
Comprehensive income (loss)	$ (7)	$ 1,486
Net income (loss) per share:
Basic (in dollars per share)	$ 0	$ 0.73
Diluted (in dollars per share)	$ 0	$ 0.72
Shares used to compute net income (loss) per share:
Basic (in shares)	1,925	2,030
Diluted (in shares)	1,925	2,057