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Note 6 - New Accounting Standards (Details Textual) - USD ($)
Dec. 29, 2019
Jul. 01, 2019
Jun. 30, 2019
Operating Lease, Right-of-Use Asset $ 1,892,151  
Operating Lease, Liability, Total $ 1,898,406    
Accounting Standards Update 2016-02 [Member]      
Operating Lease, Right-of-Use Asset   $ 1,977,523  
Operating Lease, Liability, Total   $ 1,977,523