INCOME TAXES (Details 3) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred income tax assets:
Allowance for doubtful accounts	$ 22	$ 13
Inventory and product return reserves	477	484
Compensation accruals	2,511	2,421
Accrued liabilities	151	202
Book-over-tax depreciation and amortization	25	23
Foreign net operating loss carryforwards	149	22
U.S. net operating loss carryforwards	4,399	3,301
U.S. credit carryforwards	1,560	1,440
Deferred tax assets, gross	9,294	7,906
Valuation allowance	(9,294)	(7,906)
Total deferred income tax assets	$ 0	$ 0

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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-Publisher FASB
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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from allowance for credit loss on accounts receivable.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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