CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2018
Accounts payable related parties	$ 14	$ 33
Class A Common Stock
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	16,000,000	16,000,000
Common stock, shares issued	963,588	963,588	982,315
Common stock, shares outstanding	963,588	963,588