Consolidated Statement of Stockholders' Deficit - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Beginning balance at Dec. 31, 2021		$ 150,000
Increase (Decrease) in Temporary Equity [Roll Forward]
Preferred stock conversion		(5,788)
Balance, end of period at Dec. 31, 2022	$ 144,212	144,212
Beginning balance (in shares) at Dec. 31, 2021			3,416,541
Beginning balance at Dec. 31, 2021	(76,528)		$ 34	$ 143,523	$ 57,450	$ 54	$ (277,589)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common shares issued under share-based compensation plans, net of shares withheld for employee taxes (in shares)			15,753
Common shares issued under share-based compensation plans, net of shares withheld for employee taxes	25			25
Treasury shares repurchased	(2,881)						(2,881)
Share-based compensation, net of tax	340			340
Currency translation adjustments, net	(34)					(34)
Preferred stock conversion	5,122			5,122
Net loss	$ (15,934)				(15,934)
Ending balance (in shares) at Dec. 31, 2022	1,783,862		3,432,294
Ending balance at Dec. 31, 2022	$ (89,890)		$ 34	149,010	41,516	20	(280,470)
Balance, end of period at Dec. 31, 2023	144,212	$ 144,212
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adjustment for stock dividend (in shares)			1,241,024
Adjustment for stock dividend	0		$ 12	(12)
Common shares issued under share-based compensation plans, net of shares withheld for employee taxes (in shares)			11,167
Treasury shares repurchased	(3,563)						(3,563)
Share-based compensation, net of tax	162			162
Currency translation adjustments, net	(6)					(6)
Net loss	$ (32,546)				(32,546)
Ending balance (in shares) at Dec. 31, 2023	2,554,512		4,684,485
Ending balance at Dec. 31, 2023	$ (125,843)		$ 46	$ 149,160	$ 8,970	$ 14	$ (284,033)