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Fair Value Measurements (Details) - USD ($)
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Derivative liabilities:            
Derivative Instruments $ 164,670 $ 133,229 $ 82,024 $ 100,561 $ 109,038 $ 137,171
Recurring            
Cash equivalents:            
Total cash equivalents 4,426,619   2,725,094      
Marketable securities:            
Total marketable securities 1,500,235   7,420,042      
Derivative liabilities:            
Derivative Instruments 164,670   82,024      
Total derivative liabilities 164,670   82,024      
Total assets and liabilities measured at fair value 6,091,524   10,227,160      
Fair Value, Inputs, Level 1 | Recurring            
Cash equivalents:            
Total cash equivalents 4,426,619   2,725,094      
Marketable securities:            
Total marketable securities 0   0      
Derivative liabilities:            
Derivative Instruments 0   0      
Total derivative liabilities 0   0      
Total assets and liabilities measured at fair value 4,426,619   2,725,094      
Fair Value, Inputs, Level 2 | Recurring            
Cash equivalents:            
Total cash equivalents 0   0      
Marketable securities:            
Total marketable securities 1,500,235   7,420,042      
Derivative liabilities:            
Derivative Instruments 0   0      
Total derivative liabilities 0   0      
Total assets and liabilities measured at fair value 1,500,235   7,420,042      
Fair Value, Inputs, Level 3 | Recurring            
Cash equivalents:            
Total cash equivalents 0   0      
Marketable securities:            
Total marketable securities 0   0      
Derivative liabilities:            
Derivative Instruments 164,670   82,024      
Total derivative liabilities 164,670   82,024      
Total assets and liabilities measured at fair value 164,670   82,024      
Corporate debt and government securities | Recurring            
Marketable securities:            
Total marketable securities 1,500,235   7,420,042      
Corporate debt and government securities | Fair Value, Inputs, Level 1 | Recurring            
Marketable securities:            
Total marketable securities 0   0      
Corporate debt and government securities | Fair Value, Inputs, Level 2 | Recurring            
Marketable securities:            
Total marketable securities 1,500,235   7,420,042      
Corporate debt and government securities | Fair Value, Inputs, Level 3 | Recurring            
Marketable securities:            
Total marketable securities 0   0      
Money Market Funds and Commercial Paper [Domain] | Recurring            
Cash equivalents:            
Total cash equivalents 4,426,619   2,725,094      
Money Market Funds and Commercial Paper [Domain] | Fair Value, Inputs, Level 1 | Recurring            
Cash equivalents:            
Total cash equivalents 4,426,619   2,725,094      
Money Market Funds and Commercial Paper [Domain] | Fair Value, Inputs, Level 2 | Recurring            
Cash equivalents:            
Total cash equivalents 0   0      
Money Market Funds and Commercial Paper [Domain] | Fair Value, Inputs, Level 3 | Recurring            
Cash equivalents:            
Total cash equivalents $ 0   $ 0