Equity - Schedule of Issuance of Warrants to Purchase Common Stock (Details)	Sep. 30, 2019 $ / shares shares
Class of Warrant or Right [Line Items]
Total Warrants | shares	4,016,817
Weighted average exercise price | $ / shares	$ 22.95
Series A Warrants [Member]
Class of Warrant or Right [Line Items]
Total Warrants | shares	1,102
Weighted average exercise price | $ / shares	$ 8,750.00
Series B Warrants [Member]
Class of Warrant or Right [Line Items]
Total Warrants | shares	2,448
Weighted average exercise price | $ / shares	$ 3,500.00
Series D Warrants [Member]
Class of Warrant or Right [Line Items]
Total Warrants | shares	806,698
Weighted average exercise price | $ / shares	$ 15.19
Series E Warrants [Member]
Class of Warrant or Right [Line Items]
Total Warrants | shares	2,972,221
Weighted average exercise price | $ / shares	$ 1.80
April 2019 Underwriter Warrants [Member]
Class of Warrant or Right [Line Items]
Total Warrants | shares	34,955
Weighted average exercise price | $ / shares	$ 6.25
September 2019 Underwriter Warrants [Member]
Class of Warrant or Right [Line Items]
Total Warrants | shares	194,444
Weighted average exercise price | $ / shares	$ 2.25
Other Warrants [Member]
Class of Warrant or Right [Line Items]
Total Warrants | shares	4,949
Weighted average exercise price | $ / shares	$ 11,258.00