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Note 5 - Inventories (Details) - Inventories (USD $)
Sep. 30, 2013
Dec. 31, 2012
Inventories [Abstract]    
Raw materials $ 2,524,281 $ 1,441,370
Work-in-process 479,244 304,916
Finished goods 95,576 996,619
Totals $ 3,099,101 $ 2,742,905