Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Restricted Stock Units (RSUs) [Member] Common Stock [Member]	Restricted Stock Units (RSUs) [Member] Additional Paid-in Capital [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2020			14,329
Balance at Dec. 31, 2020			$ 143	$ 55,355	$ 221,444	$ (4,542)	$ 272,400
Issuance of common stock for equity awards (in shares)			0
Issuance of common stock for equity awards			$ 0	1	0	0	1
Vesting of restricted stock units (in shares)	46
Vesting of restricted stock units	$ 1	$ (1)
Stock-based compensation expense			$ 0	2,259	0	0	2,259
Retirement of common stock for minimum tax withholdings (in shares)			(9)
Retirement of common stock for minimum tax withholdings			$ 0	(333)	0	0	(333)
Net (loss) income			0	0	2,838	0	2,838
Other comprehensive loss			$ 0	0	0	(509)	(509)
Balance (in shares) at Mar. 31, 2021			14,366
Balance at Mar. 31, 2021			$ 144	57,281	224,282	(5,051)	276,656
Balance (in shares) at Dec. 31, 2021			14,441
Balance at Dec. 31, 2021			$ 144	67,081	225,578	(5,718)	287,085
Issuance of common stock for equity awards (in shares)			1
Issuance of common stock for equity awards			$ 0	15	0	0	15
Vesting of restricted stock units (in shares)	106
Vesting of restricted stock units	$ 1	$ (1)
Stock-based compensation expense			$ 0	2,545	0	0	2,545
Retirement of common stock for minimum tax withholdings (in shares)			(30)
Retirement of common stock for minimum tax withholdings			$ 0	(844)	0	0	(844)
Net (loss) income			0	0	(2,933)	0	(2,933)
Other comprehensive loss			$ 0	0	0	(81)	(81)
Balance (in shares) at Mar. 31, 2022			14,518
Balance at Mar. 31, 2022			$ 145	$ 68,796	$ 222,645	$ (5,799)	$ 285,787