Note 4 - Inventories - Inventory Summary (Details) - USD ($)	Mar. 31, 2023	Jun. 30, 2022
Raw materials	$ 1,281,529	$ 1,273,581
Supplies and packing materials	177,854	195,207
Finished goods	926,876	731,954
Total inventories	$ 2,386,259	$ 2,200,742	[1]

[1] Derived from audited financial statements