CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Treasury Stock
Beginning balance at Dec. 31, 2022	$ 207,940	$ 162	$ 1,189,255	$ (715,299)	$ (266,178)
Beginning balance, common (in shares) at Dec. 31, 2022		16,167,000
Beginning balance, treasury (in shares) at Dec. 31, 2022					3,355,000
Increase (Decrease) in Stockholders' Equity
Net income	13,457			13,457
Comprehensive income (loss)	13,457			13,457
Non-cash compensation	11,274		11,274
Issuance of common stock for stock options, restricted stock awards and restricted stock units, net of withholding taxes	(1,693)	$ 1	(1,694)
Issuance of common stock for stock options, restricted stock awards and restricted stock units, net of withholding taxes and cancellations (in shares)		98,000
Other	1		1
Ending balance at Mar. 31, 2023	230,979	$ 163	1,198,836	(701,842)	$ (266,178)
Ending balance, common (in shares) at Mar. 31, 2023		16,265,000
Ending balance, treasury (in shares) at Mar. 31, 2023					3,355,000
Beginning balance at Dec. 31, 2023	$ 124,132	$ 164	1,227,849	(837,703)	$ (266,178)
Beginning balance, common (in shares) at Dec. 31, 2023	13,041,445	16,397,000
Beginning balance, treasury (in shares) at Dec. 31, 2023	3,355,466				3,355,000
Increase (Decrease) in Stockholders' Equity
Net income	$ 1,016			1,016
Comprehensive income (loss)	1,016			1,016
Non-cash compensation	7,789		7,789
Issuance of common stock for stock options, restricted stock awards and restricted stock units, net of withholding taxes	(1,422)	$ 2	(1,424)
Issuance of common stock for stock options, restricted stock awards and restricted stock units, net of withholding taxes and cancellations (in shares)		180,000
Ending balance at Mar. 31, 2024	$ 131,515	$ 166	$ 1,234,214	$ (836,687)	$ (266,178)
Ending balance, common (in shares) at Mar. 31, 2024	13,221,980	16,577,000
Ending balance, treasury (in shares) at Mar. 31, 2024	3,355,466				3,355,000