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Note 15 - Acquisitions - Summary Assets Acquired and Liabilities Assumed for Federal Hose (Details) - USD ($)	Sep. 30, 2017	Sep. 30, 2016	Jul. 01, 2016
Goodwill	$ 2,255,912	$ 1,777,656
Federal Hose [Member]
Cash			$ 30,097
Accounts Receivable			834,720
Inventory			1,755,879
Prepaid and Other Assets			9,909
Fixed Assets			769,000
Goodwill			1,777,656
Total Assets Acquired			6,457,261
Accounts Payable			475,513
Accrued Payroll			14,725
Accrued Expense			115,725
Total Liabilities Assumed			605,730
Net Assets Acquired			5,851,531
Federal Hose [Member] \| Customer Lists [Member]
Customer List			$ 1,280,000