Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue:
Total revenue	$ 12,865	$ 12,703	$ 24,791	$ 27,446
Costs and expenses:
Cost of revenue	19,433	14,934	37,642	30,999
Selling, general and administrative	16,844	20,975	35,543	43,211
Research and development	7,709	8,913	14,784	16,044
Loss on sale of assets	0	1	170	1
Total costs and expenses	43,986	44,823	88,139	90,255
Loss from operations	(31,121)	(32,120)	(63,348)	(62,809)
Nonoperating income (expense):
Gain (loss) on remeasurement of private warrants	1,083	2,012	(33)	7,007
Interest, net	(9,162)	(652)	(12,548)	(1,644)
Loss on loan extinguishment	(102)	0	(102)	0
Other, net	0	75	0	84
Total nonoperating income (expenses)	(8,181)	1,435	(12,683)	5,447
Loss before income taxes	(39,302)	(30,685)	(76,031)	(57,362)
Income taxes	61	240	151	531
Net income (loss)	$ (39,241)	$ (30,445)	$ (75,880)	$ (56,831)
Net loss per share:
Basic net loss per share	$ (0.38)	$ (0.30)	$ (0.74)	$ (0.56)
Diluted net loss per share	$ (0.38)	$ (0.30)	$ (0.74)	$ (0.56)
Basic - Weighted Average Number Of Shares Outstanding	101,938,376	101,047,650	101,917,585	100,888,185
Diluted - Weighted Average Number Of Shares Outstanding	101,938,376	101,047,650	101,917,585	100,888,185
Products
Revenue:
Total revenue	$ 12,174	$ 11,575	$ 23,270	$ 24,791
Services
Revenue:
Total revenue	$ 691	$ 1,128	$ 1,521	$ 2,655