Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues	$ 10,559	$ 8,605
Cost of goods sold	10,057	7,933
Gross profit	502	672
Selling, general and administrative expenses	1,692	1,741
Loss on disposition of property and equipment	0	7
Operating loss	(1,190)	(1,076)
Interest income	1	1
Interest expense	(126)	(112)
Change in fair value of derivative warrant liability	(171)	0
Gain on extinguishment of PPP loan	0	1,792
Other expense	(34)	(13)
Other income	4	0
Income (loss) before income taxes	(1,516)	592
Income tax benefit	0	(1)
Net income (loss)	$ (1,516)	$ 591
Earnings (loss) per common share:
Basic (in dollars per share)	$ (0.03)	$ 0.01
Diluted (in dollars per share)	$ (0.03)	$ 0.01
Weighted average number of shares outstanding:
Basic (in shares)	52,529,964	45,635,185
Diluted (in shares)	52,529,964	46,556,247