Note 14 - Related Party Transactions (Details Textual) - USD ($)	12 Months Ended
Aug. 31, 2025	Aug. 31, 2024
Bioplastic Polymers LLC [Member] \| Consulting Payment Expense [Member]
Related Party Transaction, Amounts of Transaction	$ 144,000	$ 144,000

Amount of transactions with related party during the financial reporting period.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

Name:	us-gaap_RelatedPartyTransactionAmountsOfTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration