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Note 8 - Summary of Inventory (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Sep. 30, 2017
Finished goods $ 54,383 $ 45,394
Raw Materials 24,593 22,682
Packaging materials 11,087 8,833
Equipment parts & other 26,023 26,359
Total Inventories $ 116,086 $ 103,268