CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Common Stock and Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Treasury Stock
Beginning balance (in shares) at Dec. 31, 2021		46,534,198			12,143,433
Beginning balance at Dec. 31, 2021	$ 141,295	$ 323,296	$ 412	$ (100,680)	$ (81,733)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	5,076			5,076
Unrealized gain on available-for-sale securities, net of taxes	241		241
Release of restricted stock units and awards (in shares)		116,811
Issuance of stock for ESPP purchase (in shares)		7,725
Issuance of stock for ESPP purchase	34	$ 34
Stock repurchase (in shares)					938,781
Stock repurchases	(4,442)				$ (4,442)
Shares issued in connection with public offering, net of offering costs	5	5
Stock-based compensation	1,141	$ 1,141
Ending balance (in shares) at Mar. 31, 2022		46,658,734			13,082,214
Ending balance at Mar. 31, 2022	143,350	$ 324,476	653	(95,604)	$ (86,175)
Beginning balance (in shares) at Dec. 31, 2021		46,534,198			12,143,433
Beginning balance at Dec. 31, 2021	141,295	$ 323,296	412	(100,680)	$ (81,733)
Ending balance (in shares) at Dec. 31, 2022		46,974,598			14,727,582
Ending balance at Dec. 31, 2022	157,700	$ 322,714	202	(70,016)	$ (95,200)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	8,278			8,278
Unrealized gain on available-for-sale securities, net of taxes	375		375
Issuance of stock for ESPP purchase (in shares)		1,298
Issuance of stock for ESPP purchase	6	$ 6
Release of restricted stock units and awards net of shares withheld for tax liabilities (in shares)		401,955			97,936
Release of restricted stock units and awards net of shares withheld for tax liabilities	(757)				$ (757)
Shares issued to an employee in lieu of cash compensation (in shares)		50,643
Shares issued to an employee in lieu of cash compensation	385	$ 385
Stock-based compensation	946	946
Dividend declared	(1,204)	$ (1,204)
Ending balance (in shares) at Mar. 31, 2023		47,428,494			14,825,518
Ending balance at Mar. 31, 2023	$ 165,729	$ 322,847	$ 577	$ (61,738)	$ (95,957)