Notes Payable (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Schedule of Notes Payable

As of March 31, 2019, note payable consisted of the following:

(in thousands)	March 31, 2019
Note payable	$	15,000
Less: current portion		(1,475	)
Note payable, net of current portion		13,525
Debt discount, net of accretion		(255	)
Accretion related to final payment		249
Note payable, net of discount and current portion	$	13,519

Summary of Estimated Future Principal Payments Due Under Loan Agreement

Estimated future principal payments due under the Loan Agreement are as follows as of March 31, 2019:

(in thousands)	Note Principal Payments
Remainder of 2019	$	—
2020		8,394
2021		6,606
Total minimum note principal payments	$	15,000