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, 2023	$ 124,132	$ 164	$ 1,227,849	$ (837,703)	$ (266,178)
Beginning balance, common (in shares) at Dec. 31, 2023		16,397,000
Beginning balance, treasury (in shares) at Dec. 31, 2023					3,355,000
Increase (Decrease) in Stockholders' Equity
Net income (loss)	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, employee stock purchase plan, restricted stock awards and restricted stock units, net of withholding taxes	(1,422)	$ 2	(1,424)
Issuance of common stock for stock options, employee stock purchase plan, restricted stock awards and restricted stock units, net of withholding taxes (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		16,577,000
Ending balance, treasury (in shares) at Mar. 31, 2024					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		16,397,000
Beginning balance, treasury (in shares) at Dec. 31, 2023					3,355,000
Increase (Decrease) in Stockholders' Equity
Net income (loss)	8,768
Comprehensive income (loss)	8,768
Ending balance at Jun. 30, 2024	145,820	$ 167	1,240,766	(828,935)	$ (266,178)
Ending balance, common (in shares) at Jun. 30, 2024		16,695,000
Ending balance, treasury (in shares) at Jun. 30, 2024					3,355,000
Beginning balance at Mar. 31, 2024	131,515	$ 166	1,234,214	(836,687)	$ (266,178)
Beginning balance, common (in shares) at Mar. 31, 2024		16,577,000
Beginning balance, treasury (in shares) at Mar. 31, 2024					3,355,000
Increase (Decrease) in Stockholders' Equity
Net income (loss)	7,752			7,752
Comprehensive income (loss)	7,752			7,752
Non-cash compensation	7,437		7,437
Issuance of common stock for stock options, employee stock purchase plan, restricted stock awards and restricted stock units, net of withholding taxes	(884)	$ 1	(885)
Issuance of common stock for stock options, employee stock purchase plan, restricted stock awards and restricted stock units, net of withholding taxes (in shares)		118,000
Ending balance at Jun. 30, 2024	145,820	$ 167	1,240,766	(828,935)	$ (266,178)
Ending balance, common (in shares) at Jun. 30, 2024		16,695,000
Ending balance, treasury (in shares) at Jun. 30, 2024					3,355,000
Beginning balance at Dec. 31, 2024	$ 108,821	$ 167	1,254,239	(879,407)	$ (266,178)
Beginning balance, common (in shares) at Dec. 31, 2024	13,391,090	16,747,000
Beginning balance, treasury (in shares) at Dec. 31, 2024	3,355,466				3,355,000
Increase (Decrease) in Stockholders' Equity
Net income (loss)	$ (12,375)			(12,375)
Comprehensive income (loss)	(12,375)			(12,375)
Non-cash compensation	9,927		9,927
Issuance of common stock for stock options, employee stock purchase plan, restricted stock awards and restricted stock units, net of withholding taxes	(2,630)	$ 2	(2,632)
Issuance of common stock for stock options, employee stock purchase plan, restricted stock awards and restricted stock units, net of withholding taxes (in shares)		142,000
Ending balance at Mar. 31, 2025	103,743	$ 169	1,261,534	(891,782)	$ (266,178)
Ending balance, common (in shares) at Mar. 31, 2025		16,889,000
Ending balance, treasury (in shares) at Mar. 31, 2025					3,355,000
Beginning balance at Dec. 31, 2024	$ 108,821	$ 167	1,254,239	(879,407)	$ (266,178)
Beginning balance, common (in shares) at Dec. 31, 2024	13,391,090	16,747,000
Beginning balance, treasury (in shares) at Dec. 31, 2024	3,355,466				3,355,000
Increase (Decrease) in Stockholders' Equity
Net income (loss)	$ (3,513)
Comprehensive income (loss)	(3,513)
Ending balance at Jun. 30, 2025	$ 118,112	$ 170	1,267,040	(882,920)	$ (266,178)
Ending balance, common (in shares) at Jun. 30, 2025	13,611,185	16,967,000
Ending balance, treasury (in shares) at Jun. 30, 2025	3,355,466				3,355,000
Beginning balance at Mar. 31, 2025	$ 103,743	$ 169	1,261,534	(891,782)	$ (266,178)
Beginning balance, common (in shares) at Mar. 31, 2025		16,889,000
Beginning balance, treasury (in shares) at Mar. 31, 2025					3,355,000
Increase (Decrease) in Stockholders' Equity
Net income (loss)	8,862			8,862
Comprehensive income (loss)	8,862			8,862
Non-cash compensation	5,162		5,162
Issuance of common stock for stock options, employee stock purchase plan, restricted stock awards and restricted stock units, net of withholding taxes	345	$ 1	344
Issuance of common stock for stock options, employee stock purchase plan, restricted stock awards and restricted stock units, net of withholding taxes (in shares)		78,000
Ending balance at Jun. 30, 2025	$ 118,112	$ 170	$ 1,267,040	$ (882,920)	$ (266,178)
Ending balance, common (in shares) at Jun. 30, 2025	13,611,185	16,967,000
Ending balance, treasury (in shares) at Jun. 30, 2025	3,355,466				3,355,000