Note 2 - Summary of Significant Accounting Policies - Effects of Initial Adoption (Details) - USD ($)	Jun. 30, 2020	Jul. 01, 2019	Jun. 30, 2019
Assets	$ 24,424,325		$ 21,253,608
Current portion operating lease liabilities	323,395
Long-term operating lease liabilities	$ 447,062
Accounting Standards Update 2016-02 [Member]
Assets		$ 1,113,840
Current portion operating lease liabilities		370,697
Long-term operating lease liabilities		$ 780,219

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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+ Details