Basis of Presentation - Narrative (Details)		3 Months Ended				6 Months Ended
	Aug. 08, 2019 shares	Jun. 30, 2019 USD ($) shares	Mar. 31, 2019 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Jun. 30, 2019 USD ($) shares	Jun. 30, 2018 USD ($)	Jan. 01, 2019 USD ($)	Dec. 31, 2018 USD ($) shares	Jun. 22, 2018 shares	Dec. 31, 2017 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Working Capital Deficiency		$ (3,400,000)				$ (3,400,000)
Deferred revenue		5,071,197				5,071,197			$ 6,859,592
Total Stockholders' Deficit		(13,622,004)				(13,622,004)			(11,553,796)
Net loss		(1,171,723)	$ (124,907)	$ (1,004,104)	$ 506,877	(1,296,630)	$ (497,227)
Net cash used in operating activities						75,960	700,456
Cash and cash equivalents		2,400,953		$ 4,043,668		$ 2,400,953	$ 4,043,668		$ 3,059,677		$ 1,011,472
Cash Period Decrease		$ (700,000)
Organization, Consolidation And Presentation Of Financial Statements [Line Items]
Common stock, shares authorized (in shares) | shares		800,000,000				800,000,000			800,000,000	800,000,000
Preferred Stock, Shares Authorized | shares		2,000,000				2,000,000			2,000,000
Operating lease right-of-use assets		$ 2,454,349				$ 2,454,349		$ 2,900,000	$ 0
Operating Lease, Liability		$ 3,034,819				$ 3,034,819		$ 3,600,000
Subsequent Event
Organization, Consolidation And Presentation Of Financial Statements [Line Items]
Common and temporary equity shares authorized (in shares) | shares	32,000,000
Common stock, shares authorized (in shares) | shares	30,000,000
Preferred Stock, Shares Authorized | shares	2,000,000
Redeemable Convertible Preferred Stock [Member] | Subsequent Event
Organization, Consolidation And Presentation Of Financial Statements [Line Items]
Stockholders' Equity Note, Stock Split, Conversion Ratio	0.01