Fair Value Measurements (Details) - USD ($)	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014
Derivative liabilities:
Derivative Instruments	$ 133,229	$ 82,024	$ 109,038	$ 137,171
Recurring
Cash equivalents:
Total cash equivalents	5,571,447	2,725,094
Marketable securities:
Total marketable securities	3,090,791	7,420,042
Derivative liabilities:
Derivative Instruments	133,229	82,024
Total derivative liabilities	133,229	82,024
Total assets and liabilities measured at fair value	8,795,467	10,227,160
Fair Value, Inputs, Level 1 | Recurring
Cash equivalents:
Total cash equivalents	3,691,796	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	3,691,796	2,725,094
Fair Value, Inputs, Level 2 | Recurring
Cash equivalents:
Total cash equivalents	1,879,651	0
Marketable securities:
Total marketable securities	3,090,791	7,420,042
Derivative liabilities:
Derivative Instruments	0	0
Total derivative liabilities	0	0
Total assets and liabilities measured at fair value	4,970,442	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	133,229	82,024
Total derivative liabilities	133,229	82,024
Total assets and liabilities measured at fair value	133,229	82,024
Corporate debt and government securities | Recurring
Marketable securities:
Total marketable securities	3,090,791	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	3,090,791	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	3,691,796	2,725,094
Money Market Funds and Commercial Paper [Domain] | Fair Value, Inputs, Level 1 | Recurring
Cash equivalents:
Total cash equivalents	3,691,796	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
Corporate debt and government securities | Recurring
Cash equivalents:
Total cash equivalents	1,879,651
Corporate debt and government securities | Fair Value, Inputs, Level 1 | Recurring
Cash equivalents:
Total cash equivalents	0
Corporate debt and government securities | Fair Value, Inputs, Level 2 | Recurring
Cash equivalents:
Total cash equivalents	1,879,651
Corporate debt and government securities | Fair Value, Inputs, Level 3 | Recurring
Cash equivalents:
Total cash equivalents	$ 0