Prepaid Expenses and Other Assets, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Prepaid Expenses and Other Assets, Net
Prepaid expenses	$ 861	$ 2,494
Deferred finance costs warrants	2,184	2,184
Other	1,058	1,066
Prepaid expenses and other assets, gross	4,103	5,744
Less: accumulated amortization	2,221	1,970
Prepaid expenses and other assets, net	$ 1,882	$ 3,774