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Note 6 - Inventories - Schedule of Inventory (Details) - USD ($) | Jun. 30, 2020 | Sep. 30, 2019
--- | --- | ---
Raw materials | $ 6,454,321 | $ 5,060,331
Finished goods | 1,115,923 | 998,607
Work in process | 462,767 | 306,809
Inventories, gross | 8,033,011 | 6,365,747
Reserve for obsolescence | (698,846) | (530,584)
Inventories, net | $ 7,334,165 | $ 5,835,163

X
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