Notes payable (Tables)

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Future Maturities of the Notes Payable Obligation

The following table represents future maturities of the notes payable obligation as of September 30, 2018:

Years ending December 31, 2018	$	—
2019		—
2020		—
2021		30,619
2022		30,619
Total maturities	$	61,238
Unamortized discount and loan costs		(10,722	)
Total notes payable obligation	$	50,516