Inventories - Inventories, Net of Reserves (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current:
Raw materials	$ 3,210	$ 4,499
Finished goods	5,454	4,462
Total current inventory	8,664	8,961
Long-term:
Raw materials	1,302	1,068
Finished goods	1,568	1,639
Total long-term inventory	$ 2,870	$ 2,707