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	$ 10,190	$ 7,574	$ 20,749	$ 16,179
Cost of goods sold	10,667	7,421	20,724	15,354
Gross profit (loss)	(477)	153	25	825
Selling, general and administrative expenses	1,708	1,933	3,400	3,674
Loss (gain) on involuntary conversion of property and equipment	(147)	(1)	(147)	6
Operating loss	(2,038)	(1,779)	(3,228)	(2,855)
Interest income	1	0	2	1
Interest expense	(118)	(120)	(244)	(232)
Change in fair value of derivative warrant liability	(417)	0	(588)	0
Gain on extinguishment of PPP loan	0	0	0	1,792
Other expense	(38)	(24)	(72)	(37)
Other income	1	0	5	0
Loss before income taxes	(2,609)	(1,923)	(4,125)	(1,331)
Income tax expense	(12)	0	(12)	(1)
Net loss	$ (2,621)	$ (1,923)	$ (4,137)	$ (1,332)
Loss per common share:
Basic (in dollars per share)	$ (0.05)	$ (0.04)	$ (0.08)	$ (0.03)
Diluted (in dollars per share)	$ (0.05)	$ (0.04)	$ (0.08)	$ (0.03)
Weighted average number of shares outstanding:
Basic (in shares)	52,861,638	45,864,385	52,696,717	45,749,785
Diluted (in shares)	52,861,638	45,864,385	52,696,717	45,749,785