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Note 7 - Commitments (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Employees Agreement [Member]      
Other Commitment $ 606,000    
Operating Leases, Rent Expense, Net $ 1,608,701 $ 1,608,702 $ 1,636,171