Prepaid Expenses and Other Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid subscriptions	$ 496	$ 568
Prepaid insurance	1,559	350
Other prepaid assets	123	82
Other current assets	47	74
Subtotal, current portion	2,225	1,074
Prepaid expenses, long-term portion	10	28
Total	$ 2,235	$ 1,102