CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Revenue:
Revenue from external customers	$ 39,627	$ 53,141
Revenue from related party	3,641	0
Total revenues	43,268	53,141
Cost of goods sold	40,012	81,814
Gross profit (loss)	3,256	(28,673)
Operating costs and expenses:
Selling, general, and administrative	20,166	22,763
Depreciation and amortization	1,011	3,412
Research and development	5,537	7,213
Gain on disposal of property and equipment	(94)	(94)
Impairment of goodwill	8,092	11,706
Impairment of property and equipment and intangible assets	0	69,975
Total operating costs and expenses	34,712	114,975
Loss from operations	(31,456)	(143,648)
Other income (expense):
Paycheck protection plan loan forgiveness	881	0
Interest expense	(78)	(60)
Other income, net	87	1,079
Total other income	890	1,019
Loss before income taxes	(30,566)	(142,629)
Income tax benefit	40	6,179
Net Loss	$ (30,526)	$ (136,450)
Loss per common share:
Basic (in dollars per share)	$ (0.42)	$ (2.00)
Diluted (in dollars per share)	$ (0.42)	$ (2.00)
Weighted average common shares:
Weighted average common shares used in computing basic loss per common share (in shares)	73,361	68,312
Weighted average common shares used in computing diluted loss per common share (in shares)	73,361	68,312