Fair Value Measurements (Details) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Assets
Short-term Investments	$ 66,841,690	$ 0
Liabilities
Non-current portion of derivative instruments related to stock purchase warrants	0	491,791
Fair Value, Measurements, Recurring [Member]
Assets
Total assets measured at fair value	135,706,386	6,430,561
Liabilities
Current portion of derivative instruments related to stock purchase warrants	1,150,845	16,411
Non-current portion of derivative instruments related to stock purchase warrants		491,791
Total liabilities measured at fair value	1,150,845	508,202
Fair Value, Measurements, Recurring [Member] \| Cash Equivalents [Member]
Assets
Cash Equivalents	68,864,696	6,430,561
Fair Value, Measurements, Recurring [Member] \| Short Term Investment [Member]
Assets
Short-term Investments	66,841,690
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Assets
Total assets measured at fair value	13,899,719	6,430,561
Liabilities
Current portion of derivative instruments related to stock purchase warrants	0	0
Non-current portion of derivative instruments related to stock purchase warrants		0
Total liabilities measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Cash Equivalents [Member]
Assets
Cash Equivalents	13,899,719	6,430,561
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Short Term Investment [Member]
Assets
Short-term Investments	0
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Assets
Total assets measured at fair value	121,806,667	0
Liabilities
Current portion of derivative instruments related to stock purchase warrants	0	0
Non-current portion of derivative instruments related to stock purchase warrants		0
Total liabilities measured at fair value	0	0
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Cash Equivalents [Member]
Assets
Cash Equivalents	54,964,977	0
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Short Term Investment [Member]
Assets
Short-term Investments	66,841,690
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Assets
Total assets measured at fair value	0	0
Liabilities
Current portion of derivative instruments related to stock purchase warrants	1,150,845	16,411
Non-current portion of derivative instruments related to stock purchase warrants		491,791
Total liabilities measured at fair value	1,150,845	508,202
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Cash Equivalents [Member]
Assets
Cash Equivalents	0	$ 0
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Short Term Investment [Member]
Assets
Short-term Investments	$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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