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Income Taxes - Net Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Income Taxes
Deferred revenue	$ 1	$ 3
Basis difference in intangible assets	5,473	6,080
Inventory reserve	1,040	880
Net operating loss carryforwards	7,025	4,730
Research and development tax credits	125	115
Accrued expenses	99	108
Stock-based compensation	167	210
Allowance for sales returns and doubtful accounts	101	81
Difference in property and equipment basis	(94)	(108)
Convertible debt	(110)	(110)
Capitalized research expenditure	1,839	1,507
Other	309	337
Total net deferred income tax asset	15,975	13,833
Less: Valuation allowance	(15,975)	(13,833)
Net deferred income tax asset (liability)	$ 0	$ 0

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from capitalized research and development costs expensed in connection with a business combination.

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-Section 50
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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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