Prepaid Expenses and Other Assets, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Prepaid Expenses and Other Assets, Net
Prepaid expenses	$ 1,746	$ 2,494
Deferred finance costs warrants	2,184	2,184
Other	1,058	1,066
Prepaid expenses and other assets, gross	4,988	5,744
Less: accumulated amortization	2,095	1,970
Prepaid expenses and other assets, net	$ 2,893	$ 3,774