Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Accrued Liabilities and Other Liabilities [Abstract]
Accrued warranty costs	$ 2,326	$ 2,548
Accrued compensation and related benefits	2,696	2,254
Contingent purchase price consideration – Quantum	0	1,950
Deferred purchase price consideration – World Energy	174	278
Accreted contingent compensation to sellers – World Energy	0	1,000
Professional fees	1,553	949
Accrued settlements	494	494
Accrued expenses, other	1,799	2,383
Total	$ 9,042	$ 11,856