Subsequent Event (Details) - Perceptive $ / shares in Units, $ in Millions	1 Months Ended	12 Months Ended
	Feb. 29, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($)
Senior secured delayed draw term loan facility | Perceptive Credit Agreement, Tranche One
Subsequent Event [Line Items]
Amount borrowed		$ 5.0
Senior secured delayed draw term loan facility | Perceptive Credit Agreement, Tranche Two
Subsequent Event [Line Items]
Amount borrowed		$ 15.0
Subsequent Event | Perceptive Credit Agreement | Perceptive Warrants
Subsequent Event [Line Items]
Common stock that can be purchased with warrants (in shares) | shares	1,400,000
Subsequent Event | Perceptive Credit Agreement | First Seven Lakhs Shares
Subsequent Event [Line Items]
Exercise price of warrants (in dollars per share) | $ / shares	$ 3.74
Common stock that can be purchased with warrants (in shares) | shares	700,000
Volume weighted average exercise price period	5 days
Subsequent Event | Perceptive Credit Agreement | Remaining Seven Lakhs Shares
Subsequent Event [Line Items]
Exercise price of warrants (in dollars per share) | $ / shares	$ 4.67
Common stock that can be purchased with warrants (in shares) | shares	700,000
Number of times on five day volume weighted average exercise price	1.25
Subsequent Event | Senior secured delayed draw term loan facility | Perceptive Credit Agreement
Subsequent Event [Line Items]
Maximum borrowing capacity	$ 35.0
Subsequent Event | Senior secured delayed draw term loan facility | Perceptive Credit Agreement, Tranche One
Subsequent Event [Line Items]
Amount borrowed	5.0
Subsequent Event | Senior secured delayed draw term loan facility | Perceptive Credit Agreement, Tranche Two
Subsequent Event [Line Items]
Amount borrowed	15.0
Subsequent Event | Senior secured delayed draw term loan facility | Perceptive Credit Agreement, Tranche Three
Subsequent Event [Line Items]
Additional amount available	$ 15.0