Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Leases - Operating Lease Expense (Details)

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Note 10 - Leases - Operating Lease Expense (Details) - USD ($)
 3 Months Ended 9 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Total lease expense under ASC 842 $ 293,453 $ 302,242 $ 909,581 $ 818,508
Cost of Sales [Member]        
Total lease expense under ASC 842 242,178 247,897 747,573 652,399
Selling, General and Administrative Expenses [Member]        
Total lease expense under ASC 842 $ 51,275 $ 54,345 $ 162,008 $ 166,109