Income Taxes - Components of Deferred Tax Asset (Details) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Deferred Tax Asset
Net operating loss carryforwards	$ 23,625,396	$ 16,302,000
Stock-based compensation	2,791,687	2,191,000
Less valuation allowance	(26,417,083)	(18,493,000)
Net deferred tax asset	$ 0	$ 0