Note 12 - Income Taxes - Net Deferred Tax Assets (Details) - USD ($)	Sep. 30, 2020	Sep. 30, 2019
Net operating loss carryforwards	$ 2,672,000	$ 2,967,000
Operating lease liabilities	4,699,000
Contingent consideration	1,185,000	441,000
Stock based compensation	1,744,000	1,481,000
Accrued expenses	575,000	1,499,000
Accounts receivable and other receivables	147,000	91,000
Federal AMT credit carryforward		260,000
Expenses associated with forgiveness of PPP loans	1,834,000
Fixed assets	(1,073,000)	(510,000)
Intangibles	(2,390,000)	(448,000)
Right-of-use assets	(4,137,000)
Securities	(461,000)	(1,221,000)
Total deferred tax asset, net	$ 4,795,000	$ 4,560,000