XML 86 R71.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 15 - Acquisitions (Details Textual) - USD ($)
12 Months Ended
Jun. 01, 2017
Jul. 01, 2016
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2015
Business Combination, Acquisition Related Costs     $ 281,909 $ 211,951 $ 71,939
Air Enterprises [Member]          
Business Combination, Consideration Transferred $ 10,250,000        
Federal Hose [Member]          
Business Combination, Consideration Transferred   $ 5,851,531      
Federal Hose [Member] | First Francis [Member] | Promissory Note 1 and 2 [Member]          
Business Combination, Consideration Transferred, Liabilities Incurred   $ 4,768,662      
Federal Hose [Member] | Common Class A [Member] | First Francis [Member]          
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares   911,250      
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned   $ 847,463      
Federal Hose [Member] | Common Class B [Member] | First Francis [Member]          
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares   303,750      
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned   $ 235,406