Stock-Based Compensation - Summary of RSU Activity (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Weighted Average Grant Date Fair Value
Granted (in dollars per share)	$ 1.35	$ 0	$ 1.53	$ 54.00
RSUs
Shares
Beginning balance (in shares)			0
Granted (in shares)			170,000
Vested (in shares)			0
Ending balance (in shares)	170,000		170,000
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share)			$ 0
Granted (in dollars per share)			1.89
Vested (in dollars per share)			0
Ending balance (in dollars per share)	$ 1.89		$ 1.89