Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Sales	$ 25,926	$ 19,727	$ 77,474	$ 49,411
Cost of sales	17,383	14,679	55,026	36,913
Gross profit	8,543	5,048	22,448	12,498
Operating expenses	2,303	2,607	7,600	7,282
Selling, general and administrative expenses	4,464	4,357	12,459	11,675
Depreciation and amortization expense	295	329	925	947
Gain on disposal of assets	311	10	309	23
Income (loss) from operations	1,792	(2,235)	1,773	(7,383)
Other income (expense):
Gain on extinguishment of debt	0	2,955	0	2,955
Interest income	0	20	0	87
Other expense, net	(273)	(49)	(675)	(91)
Interest expense	(36)	(82)	(134)	(170)
Other income (expense), net	(309)	2,844	(809)	2,781
Income (loss) before income taxes	1,483	609	964	(4,602)
Benefit for income taxes	0	(30)	0	(53)
Net income (loss)	$ 1,483	$ 639	$ 964	$ (4,549)
Income (loss) per share:
Basic (in dollars per share)	$ 0.11	$ 0.05	$ 0.07	$ (0.36)
Diluted (in dollars per share)	$ 0.11	$ 0.05	$ 0.07	$ (0.36)
Shares used in per share calculation:
Basic (in shares)	13,638,162	12,543,727	13,302,410	12,485,719
Diluted (in shares)	13,638,162	12,543,727	13,302,410	12,485,719
Product, Sales	Product [Member]	Product [Member]	Product [Member]	Product [Member]