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
Dec. 31, 2020
Dec. 31, 2019
Total lease expense under ASC 842 $ 308,334 $ 241,994
Cost of Sales [Member]    
Total lease expense under ASC 842 252,936 185,628
Selling, General and Administrative Expenses [Member]    
Total lease expense under ASC 842 $ 55,398 $ 56,366