Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Preferred Stock [Member] Series Seed Preferred Stock [Member]	Preferred Stock [Member] Series A Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]
Balance at Dec. 31, 2020	$ (12,432)		$ 1	$ 1	$ 20,161	$ (32,595)
Balance, Shares at Dec. 31, 2020		734,000	7,212,000	2,542,000
Share-based compensation expense	36				36
Net loss	(5,476)					(5,476)
Balance at Mar. 31, 2021	(17,872)		$ 1	$ 1	20,197	(38,071)
Balance, Shares at Mar. 31, 2021		734,000	7,212,000	2,542,000
Balance at Dec. 31, 2021	136,406			$ 2	279,089	(142,685)
Balance, Shares at Dec. 31, 2021				20,895,000
Share-based compensation expense	1,781				1,781
Issuance of common stock upon exercise of warrants	54				54
Issuance of common stock upon exercise of warrants, shares				7,000
Issuance of common stock upon exercise of stock options	$ 244				244
Issuance of common stock upon exercise of stock options, shares	39,778			40,000
Net loss	$ (13,857)					(13,857)
Balance at Mar. 31, 2022	$ 124,628			$ 2	$ 281,168	$ (156,542)
Balance, Shares at Mar. 31, 2022				20,942,000