Income Taxes - Schedule of Significant Components of the Deferred Income Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Net operating loss carryforwards	$ 25,541	$ 30,967
Capital loss carryforwards	194	0
Research and development credits	5,565	5,168
Other state credits	3,671	3,090
Inventory	2,407	2,511
Allowances and bad debts	1,195	1,146
Accrued warranty	6,048	9,492
Accrued wages and benefits	1,294	107
Other accrued expenses	5,749	4,533
Stock-based compensation	188	182
Capitalized research and development costs	4,658	160
163(j) disallowed interest	1,343	1,634
Intangible amortization	0	668
Contract liabilities	1,057	1,005
Operating lease liability	2,820	3,862
Other	1,685	752
Total deferred tax assets	63,415	65,277
Valuation allowance	(59,680)	(60,177)
Total deferred tax assets, net of valuation allowance	3,735	5,100
Deferred tax liabilities:
ROU operating lease asset	(2,612)	(3,537)
Intangible amortization	(110)	0
Tax depreciation in excess of book depreciation on property, plant and equipment	(2,291)	(2,579)
Total deferred tax liabilities	(5,013)	(6,116)
Net deferred tax liability	$ (1,278)	$ (1,016)