CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock Outstanding	Additional Paid-in Capital	Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive Loss	Total
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			$ (5,778)			(5,778)
Repurchase of common stock (in shares)	(219)		219
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
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	$ (715)		$ (16,693)			(16,693)
Repurchase of common stock (in shares)			715
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
Balances (in shares) at Dec. 31, 2022	37,431		11,182
Balances at Dec. 31, 2022	$ 6	447,415	$ (133,709)	(101,150)	(2,550)	210,012
Issuance of common stock in connection with employee stock purchase plan (in shares)	98
Issuance of common stock in connection with employee stock purchase plan		1,663				1,663
Issuance of common stock in connection with exercise of options (in shares)	21
Issuance of common stock in connection with exercise of options		345				345
Vesting of restricted stock units (in shares)	286
Purchases of treasury stock in connection with tax withholdings on restricted stock grants (in shares)			133
Purchases of treasury stock in connection with tax withholdings on restricted stock grants			$ (4,101)			(4,101)
Stock-based compensation expense		4,884				4,884
Comprehensive income (loss)				355	267	622
Balances (in shares) at Mar. 31, 2023	37,836		11,315
Balances at Mar. 31, 2023	$ 6	454,307	$ (137,810)	(100,795)	(2,283)	213,425
Balances (in shares) at Dec. 31, 2022	37,431		11,182
Balances at Dec. 31, 2022	$ 6	447,415	$ (133,709)	(101,150)	(2,550)	210,012
Comprehensive income (loss)						1,541
Balances (in shares) at Sep. 30, 2023	38,245		11,449
Balances at Sep. 30, 2023	$ 6	467,304	$ (143,587)	(98,932)	(3,227)	221,564
Balances (in shares) at Mar. 31, 2023	37,836		11,315
Balances at Mar. 31, 2023	$ 6	454,307	$ (137,810)	(100,795)	(2,283)	213,425
Issuance of common stock in connection with exercise of options (in shares)	6
Issuance of common stock in connection with exercise of options		87				87
Vesting of restricted stock units (in shares)	37
Purchases of treasury stock in connection with tax withholdings on restricted stock grants (in shares)			11
Purchases of treasury stock in connection with tax withholdings on restricted stock grants			$ (468)			(468)
Stock-based compensation expense		4,678				4,678
Comprehensive income (loss)				6,835	(387)	6,448
Balances (in shares) at Jun. 30, 2023	37,879		11,326
Balances at Jun. 30, 2023	$ 6	459,072	$ (138,278)	(93,960)	(2,670)	224,170
Issuance of common stock in connection with employee stock purchase plan (in shares)	125
Issuance of common stock in connection with employee stock purchase plan		2,169				2,169
Issuance of common stock in connection with exercise of options (in shares)	2
Issuance of common stock in connection with exercise of options		37				37
Vesting of restricted stock units (in shares)	260
Purchases of treasury stock in connection with tax withholdings on restricted stock grants (in shares)			102
Purchases of treasury stock in connection with tax withholdings on restricted stock grants			$ (4,566)			(4,566)
Repurchase of common stock	$ (21)		$ (743)			(743)
Repurchase of common stock (in shares)			21
Stock-based compensation expense		6,026				6,026
Comprehensive income (loss)				(4,972)	(557)	(5,529)
Balances (in shares) at Sep. 30, 2023	38,245		11,449
Balances at Sep. 30, 2023	$ 6	$ 467,304	$ (143,587)	$ (98,932)	$ (3,227)	$ 221,564