Note 14 - Income Taxes (Tables)

12 Months Ended

Aug. 31, 2021

Notes Tables

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

	Fiscal Year Ended August 31,
	2021		2020
Current:
Federal	$	—	$	—
State		39,000		23,000
Foreign		1,307,000		1,226,000
		1,346,000		1,249,000
Deferred:
Federal		—		1,501,000
State		—		101,000
Foreign		115,905		(176,365	)
		115,905		1,425,635
	$	1,461,905	$	2,674,635

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

	Fiscal Year Ended August 31,
	2021			2020
Tax computed at statutory rates	$	1,794,000		$	365,000
State income tax, net of federal benefit		37,000			23,000
Tax effect on equity in income of international joint ventures		(1,560,000	)		(888,000	)
Tax effect of foreign operations		839,000			641,000
Deemed repatriation		—			108,000
Expired foreign tax credit		897,000			—
Research and development credit		(277,000	)		(368,000	)
Valuation allowance		(492,000	)		2,797,000
Stock based compensation		75,000			189,000
Non-controlling interest		(83,000	)		(55,000	)
Other		231,905			(137.365	)
	$	1,461,905		$	2,674,635

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

	August 31,
	2021			2020
Accrued compensation	$	539,300		$	173,500
Inventory costs		55,100			64,000
Other accrued expenses		103,100			74,900
Lease liability		84,300			147,500
Goodwill and other intangible assets		453,000			581,200
Stock-based compensation		466,300			397,300
Foreign tax credit carryforward		4,893,300			5,790,500
Other credit and loss carryforwards		5,243,100			4,824,200
Total deferred tax assets		11,837,500			12,053,100
Valuation allowance		(11,447,500	)		(11,561,700	)
Total deferred tax assets after valuation allowance		390,000			491,400
Property and equipment		(7,300	)		(50,700	)
Right-of-use asset		(84,300	)		(147,500	)
Unremitted foreign earnings		(154,900	)		—
Other		(50,900	)		(83,400	)
Total deferred tax liabilities		(297,400	)		(281,600	)
Net deferred tax assets	$	92,600		$	209,800

Summary of Income Tax Contingencies [Table Text Block]

	Fiscal Year Ended August 31,
	2021		2020
Gross unrecognized tax benefits – beginning balance	$	278,200	$	248,000
Gross increases – prior period tax positions		4,400		15,200
Gross increases – current period tax positions		15,000		15,000
Gross unrecognized tax benefits – ending balance	$	297,600	$	278,200