Share-Based Compensation - Summary of Warrants (Details) - $ / shares	9 Months Ended
	Sep. 30, 2020	Apr. 22, 2020	Dec. 31, 2019
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding and Exercisable	1,650,000		8,995,906
Exercise price of warrants	$ 1.65	$ 0.5869
$2.05 million IDV
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding and Exercisable	0		1,671,196
Exercise price of warrants	$ 1.00
Expiration Date	Feb. 22, 2026
$3.58 million IDV
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding and Exercisable	1,000,000		4,658,043
Exercise price of warrants	$ 0.5869
Expiration Date	Sep. 27, 2026
$5.0 million YA II PN
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding and Exercisable	0		1,666,667
Exercise price of warrants	$ 1.50
Expiration Date	Dec. 13, 2024
$5.0 million YA II PN*
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding and Exercisable	0		1,000,000
Exercise price of warrants	$ 1.00
Service providers
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding and Exercisable	200,000		0
Exercise price of warrants	$ 5.00
Expiration Date	Jul. 01, 2022
Service providers
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding and Exercisable	450,000		0
Exercise price of warrants	$ 2.50