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Note 5 - Inventories - Schedule of Inventory (Details) - USD ($)
Sep. 30, 2016
Sep. 30, 2015
Inventory, Raw Materials, Gross $ 4,393,928 $ 4,562,535
Finished goods 775,628 763,227
Work in process 174,485 20,588
Inventories, gross 5,344,041 5,346,350
Reserve for obsolescence (580,132) (420,178)
Inventories, net $ 4,763,909 $ 4,926,172