Principal payments on the Company's debt were as follows as of September 30, 2018 (in thousands):

Year Ending December 31,
Remainder of 2018	$	3,922
2019		3,605
2020		3,380
2021		21,667
2022 and thereafter		9,518
Total		42,092
Add: capital lease principal payments		135
Less: unamortized debt discount and debt issuance costs		(1,756	)
Total		40,471
Less: current portion of long-term debt		(6,186	)
Long-term debt, net of current portion	$	34,285

Credit Agreement with Squadron

In November 2018, the Company entered into the Credit Agreement with Squadron for a $35.0 million secured Term Loan. The Term Loan matures over five years and bears interest at the one month LIBOR + 8% per annum. See Note 16 for further information.