Segment Information (Schedule of Segment Reporting Information, by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Revenues	$ 37,354	$ 32,370	$ 17,458	$ 69,724	$ 22,655
Operating income (loss)	(2,536)	(13,211)	(12,948)	(15,747)	(30,041)
Gain (loss) on change in fair market value of warrant liability	3,452	(22,128)	0	(18,676)	0
Consolidated other income	230	115	134	345	358
Loss before income taxes	(2,066)	(37,726)	(12,981)	(39,792)	(30,146)
Restructuring and impairment charges	(120)	$ 6,650	267	6,530	1,147
Manufacturing [Member]
Segment Reporting Information [Line Items]
Restructuring and impairment charges	(120)		267	6,530	1,147
Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues	37,354		17,458	69,724	22,655
Operating income (loss)	(2,536)		(12,948)	(15,747)	(30,041)
Consolidated interest expense	(3,212)		(167)	(5,714)	(463)
Gain (loss) on change in fair market value of warrant liability	3,452		0	(18,676)	0
Consolidated other income	230		134	345	358
Loss before income taxes	(2,066)		(12,981)	(39,792)	(30,146)
Depreciation and amortization	999		2,871	2,196	5,884
Capital expenditures	891		3,338	1,433	7,009
Operating Segments [Member] | Manufacturing [Member]
Segment Reporting Information [Line Items]
Revenues	35,158		15,129	65,177	18,069
Operating income (loss)	1,878		(8,348)	(2,866)	(20,148)
Depreciation and amortization	854		2,688	1,921	5,483
Capital expenditures	697		3,033	1,042	5,953
Operating Segments [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Revenues	2,196		2,329	4,547	4,586
Operating income (loss)	(4,414)		(4,600)	(12,881)	(9,893)
Depreciation and amortization	145		183	275	401
Capital expenditures	$ 194		$ 305	$ 391	$ 1,056