Condensed Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Adjustment [Member]	Redeemable Convertible Preferred Stock [Member]	Redeemable Convertible Preferred Stock [Member] Adjustment [Member]	Common Stock [Member]	Common Stock [Member] Adjustment [Member]	Preferred Stock [Member] Redeemable Convertible Preferred Stock [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] Adjustment [Member]	Accumulated Deficit [Member]	Accumulated Deficit [Member] Adjustment [Member]	Other Comprehensive Income [Member]	Other Comprehensive Income [Member] Adjustment [Member]
Balance at Beginning at Dec. 31, 2020	$ (166,708)	$ (166,708)		$ 274,960		$ 8	$ 274,960	$ 19,928	$ 19,920	$ (187,691)	$ (187,691)	$ 1,055	$ 1,055
Balance at Beginning (in Shares) at Dec. 31, 2020			31,330,513	283,843,764	8,654,869	78,410,162
Net loss	(15,882)									(15,882)
Exercise of stock options (in Shares)					545,527
Exercise of stock options	542							542
Stock-based compensation	1,102							1,102
Other comprehensive income (loss)	741											741
Balance Ending at Mar. 31, 2021	(180,205)				$ 8		274,960	21,564		(203,573)		1,796
Balance Ending (in Shares) at Mar. 31, 2021			283,843,764		78,955,689
Balance at Beginning at Dec. 31, 2020	(166,708)	$ (166,708)		$ 274,960		$ 8	274,960	19,928	$ 19,920	(187,691)	$ (187,691)	1,055	$ 1,055
Balance at Beginning (in Shares) at Dec. 31, 2020			31,330,513	283,843,764	8,654,869	78,410,162
Retroactive application of Exchange Ratio					$ 8			(8)
Retroactive application of Exchange Ratio (Shares)			252,513,251		69,755,293
Balance Ending at Dec. 31, 2021	698,448				$ 45		0	1,002,106		(305,011)		1,308
Balance Ending (in Shares) at Dec. 31, 2021			0		450,180,479
Net loss	(26,709)									(26,709)
Issuance of common stock under equity plans, Shares					7,883,569
Issuance of common stock under equity plans	1,020				$ 1			1,019
Stock-based compensation	14,116							14,116
Common stock issued upon exercise of Public and Private Warrants	44,844							44,844
Common stock issued upon exercise of Public and Private Warrants (in Shares)					4,554,830
Issuance of common stock for acquisition, Shares					123,934
Other comprehensive income (loss)	876											876
Balance Ending at Mar. 31, 2022	$ 732,595				$ 46		$ 0	$ 1,062,085		$ (331,720)		$ 2,184
Balance Ending (in Shares) at Mar. 31, 2022	447,919,591		0		462,742,812