Prepaid Expenses and Other Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid subscriptions	$ 703	$ 916
Prepaid insurance	1,277	533
Other prepaid assets	186	272
Other current assets	173	71
Subtotal, current portion	2,339	1,792
Prepaid expenses, long-term portion	55	135
Total	$ 2,394	$ 1,927