Stockholders' Equity (Details 1) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021		Jun. 30, 2022		Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from issuance of common stock, net				$ 21,298		$ 13,562
Common Class A [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of Class A common stock sold		113,412	[1]	3,991,387	[2]	714,586	[2]
ATM Agreement [Member] | Common Class A [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of Class A common stock sold	0	113,412		1,627,991		714,586
Proceeds from issuance of common stock, net	$ 0	$ 2,893		$ 21,282		$ 13,562
Payments for commission	$ 0	$ 89		$ 658		$ 419

[1] Periods presented have been adjusted to reflect the 1-for-3.5 reverse stock split on September 30, 2021 and the 1-for-6 reverse stock split on August 4, 2022. See Note 2, Reverse Stock Splits, for details.

[2] Periods presented have been adjusted to reflect the 1-for-3.5 reverse stock split on September 30, 2021 and the 1-for-6 reverse stock split on August 4, 2022. See Note 2, Reverse Stock Splits, for details.