Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2020	$ 83,839	$ 50	$ 17	$ 255,024	$ (171,252)	$ 0
Balance, shares at Dec. 31, 2020		10	16,735
Issuance of restricted common stock	0	$ 0	$ 0	0	0	0
Issuance of restricted common stock, shares		0	154
Forfeiture of restricted common stock	0	$ 0	$ 0	0	0	0
Forfeiture of restricted common stock, shares		0	(19)
Purchase of common stock	(870)	$ 0	$ 0	(870)	0	0
Purchase of common stock, shares			(20)
Stock-based compensation	2,046	0	$ 0	2,046	0	0
Unrealized loss on marketable securities	0
Foreign currency translation adjustments	0
Net loss	(8,222)	0	0	0	(8,222)	0
Balance at Mar. 31, 2021	76,793	$ 50	$ 17	256,200	(179,474)	0
Balance, shares at Mar. 31, 2021		10	16,850
Balance at Dec. 31, 2021	55,380	$ 50	$ 17	261,324	(206,011)	0
Balance, shares at Dec. 31, 2021		10	16,940
Issuance of common stock for acquisition	31,519	$ 0	$ 1	31,518	0	0
Issuance of common stock for acquisition, shares			772
Issuance of warrants for acquisition	1,601	0	$ 0	1,601	0	0
Vesting of restricted stock units	0	$ 0	$ 0	0	0	0
Vesting of restricted stock units,shares		0	1
Forfeiture of restricted common stock	0	$ 0	$ 0	0	0	0
Forfeiture of restricted common stock, shares		0	(8)
Purchase of common stock	(583)	$ 0	$ 0	(583)	0	0
Purchase of common stock, shares			(18)
Stock-based compensation	2,504	0	$ 0	2,504	0	0
Unrealized loss on marketable securities	(198)	0	0	0	0	(198)
Foreign currency translation adjustments	(919)	0	0	0	0	(919)
Net loss	(17,781)	0	0	0	(17,781)	0
Balance at Mar. 31, 2022	$ 71,523	$ 50	$ 18	$ 296,364	$ (223,792)	$ (1,117)
Balance, shares at Mar. 31, 2022		10	17,687