Note 13 - Commitments	3 Months Ended
Aug. 31, 2026
Notes to Financial Statements
Commitments Disclosure [Text Block]	Note 13. COMMITMENTS As of August 31, 2026, Greystone had outstanding commitments totaling approximately $95,800 for the acquisition of equipment. The Company has a $230,000 letter of credit required for insurance purposes. In September 2026, the Company increased the letter of credit to $390,000.

The entire disclosure for significant arrangements with third parties, which includes operating lease arrangements and arrangements in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services, and operating lease arrangements. Descriptions may include identification of the specific goods and services, period of time covered, minimum quantities and amounts, and cancellation rights.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 440
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/440/tableOfContent

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