Notes Payable (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Future Maturities of the CRG Obligation

The following table represents future maturities of the CRG obligation as of December 31, 2018:

2019	$	—
2020		—
2021		30,892
2022		30,892
Total maturities	$	61,784
Unamortized discount and loan costs		(10,132	)
Total notes payable obligation	$	51,652