CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock Outstanding	Additional Paid-in Capital	Treasury Stock	Retained Earnings	AOCI Attributable to Parent	Total
Balances (in shares) at Dec. 31, 2020	36,850		9,550
Balances at Dec. 31, 2020	$ 6	$ 407,173	$ (96,215)	$ (76,233)	$ (225)	$ 234,506
Issuance of common stock in connection with employee stock purchase plan (in shares)	100
Issuance of common stock in connection with employee stock purchase plan		921				921
Issuance of common stock in connection with exercise of options (in shares)	81
Issuance of common stock in connection with exercise of options		568				568
Vesting of restricted stock units (in shares)	149
Purchases of treasury stock in connection with tax withholdings on restricted stock grants (in shares)			73
Purchases of treasury stock in connection with tax withholdings on restricted stock grants			$ (1,463)			(1,463)
Repurchase of common stock (in shares)	(251)		251
Repurchase of common stock			$ (4,523)			(4,523)
Stock-based compensation expense		3,369				3,369
Comprehensive income (loss)				(7,597)	(528)	(8,125)
Balances (in shares) at Mar. 31, 2021	36,929		9,874
Balances at Mar. 31, 2021	$ 6	412,031	$ (102,201)	(83,830)	(753)	225,253
Balances (in shares) at Dec. 31, 2020	36,850		9,550
Balances at Dec. 31, 2020	$ 6	407,173	$ (96,215)	(76,233)	(225)	234,506
Comprehensive income (loss)						(15,031)
Balances (in shares) at Sep. 30, 2021	37,274		9,974
Balances at Sep. 30, 2021	$ 6	418,933	$ (103,995)	(90,721)	(768)	223,455
Balances (in shares) at Mar. 31, 2021	36,929		9,874
Balances at Mar. 31, 2021	$ 6	412,031	$ (102,201)	(83,830)	(753)	225,253
Issuance of common stock in connection with exercise of options (in shares)	39
Issuance of common stock in connection with exercise of options		290				290
Vesting of restricted stock units (in shares)	118
Purchases of treasury stock in connection with tax withholdings on restricted stock grants (in shares)			51
Purchases of treasury stock in connection with tax withholdings on restricted stock grants			$ (887)			(887)
Stock-based compensation expense		2,742				2,742
Comprehensive income (loss)				(4,484)	210	(4,274)
Balances (in shares) at Jun. 30, 2021	37,086		9,925
Balances at Jun. 30, 2021	$ 6	415,063	$ (103,088)	(88,314)	(543)	223,124
Issuance of common stock in connection with employee stock purchase plan	$ 9	114				114
Issuance of common stock in connection with exercise of options (in shares)	40
Issuance of common stock in connection with exercise of options		393				393
Vesting of restricted stock units (in shares)	139
Purchases of treasury stock in connection with tax withholdings on restricted stock grants (in shares)			49
Purchases of treasury stock in connection with tax withholdings on restricted stock grants			$ (907)			(907)
Stock-based compensation expense		3,363				3,363
Comprehensive income (loss)				(2,407)	(225)	(2,632)
Balances (in shares) at Sep. 30, 2021	37,274		9,974
Balances at Sep. 30, 2021	$ 6	418,933	$ (103,995)	(90,721)	(768)	223,455
Balances (in shares) at Dec. 31, 2021	37,411		10,003
Balances at Dec. 31, 2021	$ 6	423,069	$ (104,705)	(97,721)	(1,064)	219,585
Issuance of common stock in connection with employee stock purchase plan (in shares)	95
Issuance of common stock in connection with employee stock purchase plan		1,502				1,502
Issuance of common stock in connection with exercise of options (in shares)	75
Issuance of common stock in connection with exercise of options		675				675
Vesting of restricted stock units (in shares)	232
Purchases of treasury stock in connection with tax withholdings on restricted stock grants (in shares)			113
Purchases of treasury stock in connection with tax withholdings on restricted stock grants			$ (3,389)			(3,389)
Repurchase of common stock (in shares)	(219)		219
Repurchase of common stock			$ (5,778)			(5,778)
Stock-based compensation expense		5,553				5,553
Comprehensive income (loss)				(4,150)	(431)	(4,581)
Balances (in shares) at Mar. 31, 2022	37,594		10,335
Balances at Mar. 31, 2022	$ 6	430,799	$ (113,872)	(101,871)	(1,495)	213,567
Balances (in shares) at Dec. 31, 2021	37,411		10,003
Balances at Dec. 31, 2021	$ 6	423,069	$ (104,705)	(97,721)	(1,064)	$ 219,585
Issuance of common stock in connection with exercise of options (in shares)						109
Comprehensive income (loss)						$ (6,757)
Balances (in shares) at Sep. 30, 2022	37,295		11,153
Balances at Sep. 30, 2022	$ 6	441,705	$ (132,966)	(101,633)	(3,909)	203,203
Balances (in shares) at Mar. 31, 2022	37,594		10,335
Balances at Mar. 31, 2022	$ 6	430,799	$ (113,872)	(101,871)	(1,495)	213,567
Issuance of common stock in connection with exercise of options (in shares)	12
Issuance of common stock in connection with exercise of options		113				113
Vesting of restricted stock units (in shares)	84
Purchases of treasury stock in connection with tax withholdings on restricted stock grants (in shares)			33
Purchases of treasury stock in connection with tax withholdings on restricted stock grants			$ (800)			(800)
Repurchase of common stock (in shares)	(715)		715
Repurchase of common stock			$ (16,693)			(16,693)
Stock-based compensation expense		3,872				3,872
Comprehensive income (loss)				(1,147)	(1,037)	(2,184)
Balances (in shares) at Jun. 30, 2022	36,975		11,083
Balances at Jun. 30, 2022	$ 6	434,784	$ (131,365)	(103,018)	(2,532)	197,875
Issuance of common stock in connection with employee stock purchase plan (in shares)	92
Issuance of common stock in connection with employee stock purchase plan		1,509				1,509
Issuance of common stock in connection with exercise of options (in shares)	22
Issuance of common stock in connection with exercise of options		276				276
Vesting of restricted stock units (in shares)	206
Purchases of treasury stock in connection with tax withholdings on restricted stock grants (in shares)			70
Purchases of treasury stock in connection with tax withholdings on restricted stock grants			$ (1,601)			(1,601)
Stock-based compensation expense		5,136				5,136
Comprehensive income (loss)				1,385	(1,377)	8
Balances (in shares) at Sep. 30, 2022	37,295		11,153
Balances at Sep. 30, 2022	$ 6	$ 441,705	$ (132,966)	$ (101,633)	$ (3,909)	$ 203,203