CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Treasury Stock.	Accumulated Deficit	Accumulated Other Comprehensive Loss	Total
Balance at beginning of period at Dec. 31, 2021	$ 430	$ 144,282	$ (57,166)	$ (36,196)	$ (1,343)	$ 50,007
Balance at beginning of period (in shares) at Dec. 31, 2021	43,024,000
Treasury stock, balance at beginning of period (in shares) at Dec. 31, 2021			(6,398,000)
Net income (loss) attributable to common stockholders				(20,690)		(20,690)
Settlement of stock awards	$ 5		$ (295)			(290)
Settlement of stock awards (in shares)	424,000		(143,000)
Unrealized gain (loss) on pension liability					(2,283)	(2,283)
Stock-based compensation expense		597				597
Balance at ending of period at Dec. 31, 2022	$ 435	144,879	$ (57,461)	(56,886)	(3,626)	27,341
Balance at ending of period (in shares) at Dec. 31, 2022	43,448,000
Treasury stock, balance at end of period (in shares) at Dec. 31, 2022			(6,541,000)
Net income (loss) attributable to common stockholders				(39,019)		(39,019)
Settlement of warrants	$ 8	(5)				3
Settlement of warrants (in shares)	750,000
Settlement of stock awards	$ 7	82	$ (176)			(87)
Settlement of stock awards (in shares)	767,000		(225,000)
Unrealized gain (loss) on pension liability					1,369	1,369
Stock-based compensation expense		345				345
Balance at ending of period at Dec. 31, 2023	$ 450	145,301	$ (57,637)	(95,905)	(2,257)	$ (10,048)
Balance at ending of period (in shares) at Dec. 31, 2023	44,965,000
Treasury stock, balance at end of period (in shares) at Dec. 31, 2023			(6,766,000)			6,765,697
Net income (loss) attributable to common stockholders				5,603		$ 5,603
Sale of common stock	$ 251	4,142				4,393
Sale of common stock (in shares)	25,112,000
Settlement of stock awards	$ 24	608	$ (39)			593
Settlement of stock awards (in shares)	2,410,000		(407,000)
Unrealized gain (loss) on pension liability					1,528	1,528
Stock-based compensation expense		132				132
Balance at ending of period at Dec. 31, 2024	$ 725	$ 150,183	$ (57,676)	$ (90,302)	$ (729)	$ 2,201
Balance at ending of period (in shares) at Dec. 31, 2024	72,487,000
Treasury stock, balance at end of period (in shares) at Dec. 31, 2024			(7,173,000)			7,172,755