Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2021
Deferred tax assets:
Net operating loss carryforwards	$ 6,376	$ 6,382	$ 5,895
Accounts receivable	72	69	69
Inventory	1,071	994	966
Intangibles	2,079	2,320	2,370
Accrued expenses	312	271	334
Stock options	0	5	5
Other	64	64	64
Total deferred tax assets	9,974	10,105	9,703
Deferred tax liabilities:
Financial basis in excess of tax basis of certain assets	803	855	815
Other	120	294	365
Total deferred tax liabilities	923	1,149	1,180
Less valuation allowance	9,051	8,956	8,523
Net deferred taxes	$ 0	$ 0	$ 0