Basis of Presentation - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Jan. 01, 2019	Dec. 31, 2018	Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Working Capital Deficiency	$ (2,500,000)
Deferred revenue	6,150,150			$ 6,859,592
Total Stockholders' Deficit	(12,026,326)			(11,553,796)
Net income (loss)	(124,907)	$ 506,877
Net cash used in operating activities	(104,229)	1,212,349
Cash and cash equivalents	2,368,149	$ 4,563,260		3,059,677	$ 1,011,472
Cash Period Decrease	(700,000)
Operating Lease, Right-of-Use Asset	2,493,530		$ 2,900,000	$ 0
Operating Lease, Liability	$ 3,139,577		$ 3,600,000