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Note 10 - Related Party Transactions	3 Months Ended
Note 10 - Related Party Transactions	Mar. 31, 2016
Notes to Financial Statements
Related Party Transactions Disclosure [Text Block]	10. Related Party Transactions We are obligated to reimburse Emory University (a significant stockholder of the Company) for certain prior and ongoing costs in connection with the filing, prosecution and maintenance of patent applications subject to our technology license agreement from Emory. During the three months ended March 31, 2016 and 2015, we recorded $58,001 and $41,315, respectively, of general and administrative expense associated with these patent cost reimbursements to Emory.