Note 19 - Major Customers, Suppliers and Related Information - Schedule of Major Customers (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues	$ 11,971,096	$ 8,863,726	$ 29,029,571	$ 29,232,976
Americas [Member]
Revenues	9,961,591	5,661,496	23,871,805	23,430,521
Asia Pacific [Member]
Revenues	947,759	2,681,229	3,128,822	3,827,716
EMEA [Member]
Revenues	$ 1,061,746	$ 521,001	$ 2,028,944	$ 1,974,739