Notes Payable (Tables)

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Schedule of Notes Payable

As of September 30, 2018 notes payable consist of the following:

(in thousands)	September 30, 2018
Notes payable	$	15,000
Less: current portion		—
Notes payable, net of current portion		15,000
Debt discount, net of accretion		(331	)
Accretion related to final payment		83
Notes payable net of discount, long-term	$	14,752

Summary of Estimated Future Principal Payments Due Under Loan Agreement

Estimated future principal payments due under the Loan Agreement are as follows as of September 30, 2018:

(in thousands)	Note Principal Payments
Remainder of 2018	$	—
2019		—
2020		8,402
2021		6,598
Total minimum note principal payments	$	15,000