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Note 2 - Inventories (Tables)
12 Months Ended
Sep. 30, 2015
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
2015
   
2014
 
New:
               
Cable TV
  $ 16,255,487     $ 16,949,713  
Refurbished:
               
Cable TV
    3,676,132       3,982,140  
Telco
    6,426,005       4,005,298  
Allowance for excess and obsolete inventory
    (2,756,628 )     (2,156,628 )
                 
    $ 23,600,996     $ 22,780,523