Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue	$ 8,695	$ 4,656
Cost of revenue	6,261	3,886
Gross profit	2,434	770
Operating expenses:
Research and development	602	310
Selling	419	273
General and administrative	1,600	1,157
Total operating expenses	2,621	1,740
Operating loss	(187)	(970)
Other income (expense):
Interest income	120	18
Interest expense	(6)	(9)
Foreign exchange income (expense)	27	(36)
Other income (expense)	8	0
Total other income (expense), net	149	(27)
Loss before income taxes	(38)	(997)
Income tax expense	2	0
Net loss	$ (40)	$ (997)
Loss per common share - basic (in dollars per share)	$ (0.01)	$ (0.15)
Loss per common share - diluted (in dollars per share)	$ (0.01)	$ (0.15)
Weighted average common shares outstanding:
Basic (in shares)	6,773,285	6,725,042
Diluted (in shares)	6,773,285	6,725,042