Notes Payable and Stock Warrants - Initial Transaction As Recorded (Details) - USD ($)	Mar. 31, 2018	Feb. 23, 2018	Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable, net	$ 2,468,696	$ 2,457,249
Warrant liability	4,143,000		$ 0
Deemed dividend	$ 1,350,218
Reported Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Series A redeemable convertible preferred stock, net		10,312,113
Notes payable, net		2,728,778
Warrant liability		0
Total		13,040,891
Estimate of Fair Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Series A redeemable convertible preferred stock, net		8,709,684
Notes payable, net		2,457,249
Warrant liability		4,143,000
Total		15,309,933
Deemed dividend		$ 2,269,042