Note 15 - Income Taxes - Deferred Tax Asset (Liabilities) (Details) - USD ($)	Aug. 31, 2025	Aug. 31, 2024
Stock-based compensation	$ 797,000	$ 637,100
Foreign tax credit carryforward	2,814,400	3,844,800
Capitalized research and experimentation	2,472,400	2,037,800
Other credit and loss carryforward	6,757,900	5,974,200
Capital loss carryforward	129,900	0
Interest expense limitation	71,300	0
Other	922,400	965,368
Total deferred tax assets	13,965,300	13,459,268
Valuation allowance	(13,153,200)	(12,694,800)
Total deferred tax assets after valuation allowance	812,100	764,468
Right-of-use asset	(51,900)	(64,700)
Intangible assets	(1,457,700)	(1,564,200)
Unremitted foreign earnings	(234,600)	(34,800)
Other	(77,491)	(61,100)
Total deferred tax liabilities	(1,821,691)	(1,724,800)
Net deferred tax liabilities	$ (1,009,591)	$ (960,332)