Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total		Common Stock	Additional Paid-in Capital	(Accumulated Deficit) Retained Earnings	Accumulated Other Comprehensive Loss		Treasury Stock
Beginning balance (in shares) at Dec. 31, 2020			19,863,000
Beginning balance at Dec. 31, 2020	$ 131,884		$ 199	$ 149,170	$ (2,402)	$ (3,232)		$ (11,851)
Beginning balance, treasury stock (in shares) at Dec. 31, 2020								(1,433,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(9,763)				(9,763)
Other comprehensive loss	(177)	[1]				(177)
Stock-based compensation	4,109			4,109
Issuance of common stock under employee stock purchase plan (in shares)			26,000
Issuance of common stock under employee stock purchase plan	215			215
Exercise of stock options and issuance of restricted stock awards, net of forfeitures (in shares)			454,000
Exercise of stock options and issuance of restricted stock awards, net of forfeitures	$ 2,709		$ 4	2,705
Ending balance (in shares) at Dec. 31, 2021	18,910,001		20,343,000
Ending balance at Dec. 31, 2021	$ 128,977		$ 203	156,199	(12,165)	(3,409)		$ (11,851)
Ending balance, treasury stock (in shares) at Dec. 31, 2021	(1,432,694)							(1,433,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 24,101				24,101
Other comprehensive loss	(701)					(701)	[1]
Stock-based compensation	3,424
Issuance of common stock under employee stock purchase plan (in shares)			41,000
Issuance of common stock under employee stock purchase plan	308			308
Exercise of stock options and issuance of restricted stock awards, net of forfeitures (in shares)			247,000
Exercise of stock options and issuance of restricted stock awards, net of forfeitures	678		$ 3	675
Taxes for net share settlement of options	$ (131)			(131)
Ending balance (in shares) at Dec. 31, 2022	20,342,695		20,631,000
Ending balance at Dec. 31, 2022	$ 156,656		$ 206	$ 160,475	$ 11,936	$ (4,110)		$ (11,851)
Ending balance, treasury stock (in shares) at Dec. 31, 2022	(1,432,694)							(1,433,000)

[1] Tax impact was nominal for all periods.