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Note 5 - Inventories - Schedule of Inventory (Details) - USD ($)
Dec. 31, 2016
Sep. 30, 2016
Raw materials $ 4,129,237 $ 4,393,928
Finished goods 1,051,735 775,628
Work in process 490,749 174,485
Inventories, gross 5,671,721 5,344,041
Reserve for obsolescence (580,156) (580,132)
Inventories, net $ 5,091,565 $ 4,763,909