Stock-Based Compensation - Summary of Stock Option Activity (Details) - USD ($)	1 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Options Outstanding at beginning of the period		6,012,165	5,232,165
Options Granted	250,000	1,658,333	1,400,000
Options Exercised		(250,000)
Options Forfeited		(2,441,666)	(620,000)
Options Outstanding at end of the period		4,978,832	6,012,165
Options Outstanding Exercisable		4,406,473
Weighted-Average Exercise Price Outstanding at beginning of the period		$ 1.86	$ 2.11
Weighted-Average Exercise Price Granted		0.29	0.33
Weighted-Average Exercise Price Exercised		0.22
Weighted-Average Exercise Price Forfeited		3.79	0.47
Weighted-Average Exercise Price Outstanding at end of the period		0.77	$ 1.86
Weighted-Average Exercise Price Outstanding Exercisable		$ 0.83
Weighted Average Remaining Contractual Term Options, Outstanding		6 years 2 months 27 days
Weighted Average Remaining Contractual Term Options, Exercisable		5 years 10 months 6 days
Aggregate Intrinsic Value Outstanding at end of the period
Aggregate Intrinsic Value Outstanding Exercisable