Note 13 - Income Taxes (Tables)

12 Months Ended

Nov. 30, 2021

Notes Tables

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	November 30, 2021		November 30, 2020
Current expense (benefit)	$	8,459	$	25,168
Deferred expense (benefit)		45,800		(881,638	)
Total income tax expense (benefit)	$	54,259	$	(856,470	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	November 30, 2021			November 30, 2020
Statutory federal income tax rate		21.0	%		21.0	%
PPP Loan Forgiveness		-			8.8
Permanent Differences and Other		(0.7	)		(0.9	)
		20.3	%		28.9	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	November 30
	2021			2020
Current deferred tax assets (liabilities):
Accrued expenses	$	82,000		$	161,000
Inventory capitalization		122,000			71,000
NOL and tax credit carryforward		1,846,000			1,695,000
Asset reserves		613,000			796,000
Total current deferred tax assets	$	2,663,000		$	2,723,000
Non-current deferred tax assets
Property, plant, and equipment	$	(41,000	)	$	(55,000	)
Total non-current deferred tax assets (liabilities)	$	(41,000	)	$	(55,000	)
Net deferred taxes	$	2,622,000		$	2,668,000