Loan Agreement and Prior Term Loan Agreement (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Summary of Term Loan Agreement

Expected future installment payments on the principal by year and amounts included in the Company’s Consolidated Balance Sheet as of December 31, 2018 related to the Loan Agreement are as follows:

Years Ending December 31:
2019	$	1,250
2020		1,250
2021		1,875
2022		2,500
2023		18,125
Total principal on loan agreement		25,000
Unamortized debt issuance costs		(45	)
Carrying amount of loan agreement		24,955
Less: current portion of loan agreement, net of $9 in unamortized    debt issuance costs		(1,241	)
Long-term portion of loan agreement, net of $36 in unamortized    debt issuance costs	$	23,714