Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2021	10	16,940
Balance at Dec. 31, 2021	$ 50	$ 17	$ 261,324	$ (206,011)	$ 0	$ 55,380
Vesting of restricted stock units (in shares)	0	1
Purchase of common stock (in shares)	0	(18)
Purchase of common stock	$ 0	$ 0	(583)	0	0	(583)
Stock-based compensation	0	0	2,504	0	0	2,504
Unrealized gain (loss) on marketable securities, net of tax of $0	0	0	0	0	(198)	(198)
Foreign currency translation adjustment, net of tax of $0	0	0	0	0	(919)	(919)
Net loss	$ 0	$ 0	0	(17,781)	0	(17,781)
Balance (in shares) at Mar. 31, 2022	10	17,687
Balance at Mar. 31, 2022	$ 50	$ 18	296,364	(223,792)	(1,117)	71,523
Issuance of common stock for acquisition (in shares)	0	772
Common stock issued for acquisition	$ 0	$ 1	31,518	0	0	31,519
Issuance of warrants for acquisition	$ 0	$ 0	1,601	0	0	1,601
Vesting of restricted stock units						0
Forfeiture of restricted common stock (in shares)	0	(8)
Balance (in shares) at Dec. 31, 2022	10	20,260
Balance at Dec. 31, 2022	$ 50	$ 20	367,692	(265,809)	(4,363)	97,590
Issuance of common stock (in shares)	0	10
Issuance of common stock	$ 0	$ 0	0	0	0	0
Vesting of restricted stock units (in shares)	0	29
Vesting of performance stock units (in shares)	0	2
Vesting of performance stock units	$ 0	$ 0	0	0	0	0
Purchase of common stock (in shares)	0	(30)
Purchase of common stock	$ 0	$ 0	(656)	0	0	(656)
Stock-based compensation	0	0	2,889	0	0	2,889
Unrealized gain (loss) on marketable securities, net of tax of $0	0	0	0	0	101	101
Foreign currency translation adjustment, net of tax of $0	0	0	0	0	775	775
Net loss	$ 0	$ 0	0	(14,040)	0	(14,040)
Balance (in shares) at Mar. 31, 2023	10	20,271
Balance at Mar. 31, 2023	$ 50	$ 20	$ 369,925	$ (279,849)	$ (3,487)	86,659
Common stock issued for acquisition						$ 0