CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		16,903,000
Beginning balance at Dec. 31, 2021	$ 176,453	$ 17	$ 325,779	$ (225,111)	$ (94)	$ 75,862
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 8,795		8,795
Issuance of common stock upon exercise of stock option grants (in shares)	62,321	56,000
Issuance of common stock upon exercise of stock option grants	$ 1,500		1,500
Issuance of common stock related to business acquisition (in shares)		516,000
Issuance of common stock related to business acquisition	23,645	$ 1	23,644
Issuance of common stock related to vesting of restricted stock units (in shares)		74,000
Issuance of common stock related to vesting of restricted stock units	(1,341)		(1,341)
Common stock repurchases	(8,053)			(8,053)
Other comprehensive income	2,375				2,375
Net income (loss)	34,608					34,608
Ending balance (in shares) at Jun. 30, 2022		17,549,000
Ending balance at Jun. 30, 2022	237,982	$ 18	358,377	(233,164)	2,281	110,470
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		16,976,000
Beginning balance at Mar. 31, 2022	215,960	$ 17	328,769	(233,164)	418	119,920
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	4,500		4,500
Issuance of common stock upon exercise of stock option grants (in shares)		56,000
Issuance of common stock upon exercise of stock option grants	1,500		1,500
Issuance of common stock related to business acquisition (in shares)		516,000
Issuance of common stock related to business acquisition	23,645	$ 1	23,644
Issuance of common stock related to vesting of restricted stock units (in shares)		1,000
Issuance of common stock related to vesting of restricted stock units	(36)		(36)
Other comprehensive income	1,863				1,863
Net income (loss)	(9,450)					(9,450)
Ending balance (in shares) at Jun. 30, 2022		17,549,000
Ending balance at Jun. 30, 2022	237,982	$ 18	358,377	(233,164)	2,281	110,470
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		17,549,000
Beginning balance (in shares)		17,569,000
Beginning balance at Dec. 31, 2022	233,560	$ 18	366,265	(243,115)	(1,112)	111,504
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 8,831		8,831
Issuance of common stock upon exercise of stock option grants (in shares)	26,672	9,000
Issuance of common stock upon exercise of stock option grants	$ (147)		(147)
Issuance of common stock related to vesting of restricted stock units (in shares)		69,000
Issuance of common stock related to vesting of restricted stock units	(1,118)		(1,118)
Other comprehensive income	0
Net income (loss)	10,914					10,914
Ending balance (in shares) at Jun. 30, 2023		17,647,000
Ending balance at Jun. 30, 2023	252,040	$ 18	373,831	(243,115)	(1,112)	122,418
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		17,637,000
Beginning balance at Mar. 31, 2023	242,845	$ 18	369,800	(243,115)	(1,112)	117,254
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	4,192		4,192
Issuance of common stock upon exercise of stock option grants (in shares)		9,000
Issuance of common stock upon exercise of stock option grants	(147)		(147)
Issuance of common stock related to vesting of restricted stock units (in shares)		1,000
Issuance of common stock related to vesting of restricted stock units	(14)		(14)
Other comprehensive income	0
Net income (loss)	5,164					5,164
Ending balance (in shares) at Jun. 30, 2023		17,647,000
Ending balance at Jun. 30, 2023	$ 252,040	$ 18	$ 373,831	$ (243,115)	$ (1,112)	$ 122,418
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		17,647,000