Stockholders' Equity and Derivative Liability - Warrants - Preferred stock, Common Stock and Warrant Offering (Details) - shares	12 Months Ended	26 Months Ended
	Dec. 31, 2018	Sep. 30, 2018
Preferred stock, Common Stock and Warrant Offering
Number of shares converted	8,852
Number of common shares issued upon conversion	5,710,963
Common Stock
Preferred stock, Common Stock and Warrant Offering
Number of common shares issued upon conversion		3,000,000
Series A convertible preferred stock
Preferred stock, Common Stock and Warrant Offering
Number of shares converted		1,200,000