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Note 1 - Components of Inventory (Details) - USD ($)
Jun. 30, 2016
Dec. 31, 2015
Inventory on hand:    
Finished goods held for sale $ 33,047,533 $ 30,487,764
Raw materials and work in process 1,196,894 1,284,567
Inventory in transit 2,060,168 1,812,208
$ 36,304,595 $ 33,584,539