Accrued Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Accrued Liabilities, Current [Abstract]
Preferred stock dividends payable	$ 2,901		$ 2,901
Accrued compensation and related charges	2,193		3,707
Payable in connection with construction in progress	1,478		7,249
Advances from customers	1,106		305
Other tax payable	527		493
Current portion of operating lease liabilities	471		458
Accrued professional services	470		868
Accrued product warranty	421	$ 495	703	$ 852	$ 915	$ 669
Accrued income taxes	362
Other personnel-related costs	276		286
Accrual for sales returns	47		39
Other accrued liabilities	2,016		2,010
Accrued liabilities, Total	$ 12,268		$ 19,019