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Note 6 - Commitments (Details Textual)
Jun. 30, 2015
USD ($)
a
Dec. 31, 2014
USD ($)
ft²
Area of Real Estate Property 8,400 8,400
Number of Successive Renewal Options 2  
Operating Leases, Future Minimum Payments, Remainder of Fiscal Year $ 73,046  
Unrecorded Unconditional Purchase Obligation $ 115,300 $ 151,439