Condensed Consolidated Statements of Stockholders' Deficit - USD ($)	Common Stock	Preferred Stock Series A Preferred Stock	Preferred Stock Series B Preferred Stock	Treasury Stock	Additional Paid in Capital	Equity-based compensation	Foreign currency translation adjustment	Unrealized Pension Actuarial Losses, net of tax	Accumulated Deficit	Series B Preferred Stock	Total
Beginning balance at Dec. 31, 2021	$ 37,000	$ 1,000		$ (10,949,000)	$ 838,853,000	$ 56,123,000	$ (7,463,000)	$ (10,946,000)	$ (1,532,428,000)		$ (666,772,000)
Beginning balance (in shares) at Dec. 31, 2021	13,259,748	2,778,111		122,585
Increase (Decrease) in Stockholders' Equity (Deficit)
Net loss									(56,956,000)		(56,956,000)
Equity-based compensation						302,000					302,000
Foreign currency translation adjustment							1,477,000				1,477,000
Net realized pension actuarial gains, net of tax								308,000			308,000
Common Stock exchanged for Series B Preferred Stock	$ (2,000)				2,000
Common Stock exchanged for Series B Preferred Stock (in shares)	(900,328)		900,328
Issuance of Common Stock	$ 24,000				114,509,000						114,533,000
Issuance of Common Stock (in shares)	11,814,075
Withholding of employee taxes on vested RSUs						(190,000)					(190,000)
Common Stock issued for vested RSUs (in shares)	54,360
Ending balance at Mar. 31, 2022	$ 59,000	$ 1,000		$ (10,949,000)	953,364,000	56,235,000	(5,986,000)	(10,638,000)	(1,589,384,000)		(607,298,000)
Ending balance (in shares) at Mar. 31, 2022	24,227,855	2,778,111	900,328	122,585
Beginning balance at Dec. 31, 2022	$ 162,000	$ 1,000	$ 3,029,900	$ (10,949,000)	1,102,619,000	56,958,000	(4,788,000)	(3,583,000)	(1,948,009,000)		(807,589,000)
Beginning balance (in shares) at Dec. 31, 2022	278,655,235	2,778,111		122,585
Increase (Decrease) in Stockholders' Equity (Deficit)
Net loss									(45,436,000)		(45,436,000)
Equity-based compensation						111,000					111,000
Foreign currency translation adjustment							(2,105,000)				(2,105,000)
Net realized pension actuarial gains, net of tax								(89,000)			(89,000)
Issuance of Common Stock	$ 99,000				66,929,000						67,028,000
Issuance of Common Stock (in shares)	995,548,819
Preferred stock converted to Common Stock (in shares)										3,029,900
Ending balance at Mar. 31, 2023	$ 261,000	$ 1,000		$ (10,949,000)	$ 1,169,548,000	$ 57,069,000	$ (6,893,000)	$ (3,672,000)	$ (1,993,445,000)		$ (788,080,000)
Ending balance (in shares) at Mar. 31, 2023	1,274,204,054	2,778,111	3,029,900	122,585