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Note 12 - Commitments and Contingencies (Details) - Schedule of lease Cost
3 Months Ended 9 Months Ended
Sep. 30, 2019
USD ($)
Sep. 30, 2019
USD ($)
Schedule of lease Cost [Abstract]    
Operating lease cost $ 155,245 $ 465,735
Weighted Average Remaining Lease Term - Operating leases 5 years 29 days 5 years 29 days
Weighted Average Discount Rate - Operating leases 5.00% 5.00%