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Note 1 - Basis of Presentation and Certain Significant Accounting Policies - Components of Inventory (Details) - USD ($)
Sep. 30, 2016
Dec. 31, 2015
Inventory on hand:    
Finished goods held for sale $ 33,996,794 $ 30,487,764
Raw materials and work in process 1,297,711 1,284,567
Inventory in transit 1,827,792 1,812,208
$ 37,122,297 $ 33,584,539