Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2019

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

The following tables set forth the fair value of the Company’s financial instruments (in millions):

	June 30, 2019
	Carrying Amount		Significant Unobservable Inputs (Level 3)		Fair Value
Financial liabilities:
Facility financing obligation	$	9.0	$	9.0	$	9.0
Senior convertible notes		19.0		18.0		18.0
Note payable to related party		72.0		59.5		59.5
Milestone rights		8.9		18.5		18.5
Total financial liabilities	$	108.9	$	105.0	$	105.0

	December 31, 2018
	Carrying Value		Significant Unobservable Inputs (Level 3)		Fair Value
Financial liabilities:
Facility financing obligation	$	11.3	$	11.4	$	11.4
Senior convertible notes		19.1		17.5		17.5
Note payable to related party		72.1		55.0		55.0
Milestone rights		8.9		18.1		18.1
Total financial liabilities	$	111.4	$	102.0	$	102.0