Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 03, 2020	Dec. 03, 2019
Income Tax Disclosure [Abstract]
Federal net operating loss carryforwards	$ 17,015	$ 11,664
State net operating loss carryforwards	2,953	1,834
Compensation	1,492	1,399
Allowances and reserves	436	457
Intangible assets	292	589
State taxes	900	848
Credit carryforward	229	229
163(j) interest	745	141
Leases	54	23
Deferred revenue	95	88
Valuation allowance	(23,684)	(17,027)
Gross deferred tax assets	527	245
Property and equipment	(582)	(263)
Deferred tax liability-net valuation allowance	$ (55)	$ (18)

Deferred tax assets attributable to interest.

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Deferred tax assets attributable to leases.

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

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from intangible assets including goodwill.

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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 state and local operating loss carryforwards.

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

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Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves and accruals, classified as other.

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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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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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

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