Note 9 - Deferred Revenue	6 Months Ended
Nov. 30, 2025
Notes to Financial Statements
Deferred Revenue [Text Block]	Note 9. Deferred Revenue Advances from customers pursuant to a contract for the sale of plastic pallets is recognized as deferred revenue. Revenue is recognized by Greystone as pallets are shipped to the customer. Revenue related to prior advances totaled $0 and $817,981 during the six months ended November 30, 2025 and 2024, respectively. The unrecognized balance of deferred revenue at both November 30, 2025 and May 31, 2025, was $22,964.

The entire disclosure for deferred revenues at the end of the reporting period, and description and amounts of significant changes that occurred during the reporting period. Deferred revenue is a liability as of the balance sheet date related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.{VALUE}

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