Note 12 - Leases - Initial Measurement of Operating Lease (Details) - USD ($)	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Oct. 01, 2019	Sep. 30, 2019
Initial measurement			$ 7,814,701
Less lease incentives and tenant improvement allowance			(1,990,729)
Operating lease right of use asset	$ 5,685,985		5,823,972
Less amortization of operating lease ROU assets	(145,382)
Effect of exchange rate on operating lease ROU assets	7,395
Operating lease liabilities	7,649,938		$ 7,814,701
Less lease principal payments on operating lease liabilities	(172,158)
Effect of exchange rate on operating lease liabilities	7,395
Less non-current portion	(6,934,074)
Operating lease liabilities	$ 715,864