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Convertible Subordinated Notes (Tables)
 12 Months Ended
Dec. 31, 2020
Debt Disclosure [Abstract]  
Convertible Subordinated Notes, Carrying Values of Liability and Equity Components
The carrying values of the liability and equity components of the Convertible Notes are reflected on our Consolidated Balance Sheet as follows (in thousands):
December 31, 2019December 31, 2020
Long-term liabilities:
Principal amount$6,319 $2,559 
Unamortized discount of liability component(319)(20)
Convertible Notes issuance costs, net of accumulated amortization of $130 and $63, respectively
(29)(1)
Carrying value of the liability component$5,971 $2,538 
Carrying value of the equity component$789 $319 
Schedule of Maturities of Long-term Debt
The aggregate maturities of our Credit Facility and acquisition debt for the next five years subsequent to December 31, 2020 and thereafter, excluding debt issuance costs, are as follows (in thousands):
Credit FacilityAcquisition Debt
Years ending December 31,
2021$— $1,386 
2022— 825 
202347,200 825 
2024— 772 
2025— 772 
Thereafter— 3,332 
Total Credit Facility and acquisition debt$47,200 $7,912 
Less: Interest— (2,403)
Present value of Credit Facility and acquisition debt$47,200 $5,509 
The aggregate maturities of our Convertible Notes for the next five years subsequent to December 31, 2020 and thereafter are as follows (in thousands):
Principal MaturityDiscount AmortizationPresent
Value
Years ending December 31,
2021$2,559 $(20)$2,539 
2022— — — 
2023— — — 
2024— — — 
2025— — — 
Thereafter— — — 
Total$2,559 $(20)$2,539 
The aggregate maturities of our Senior Notes for the next five years subsequent to December 31, 2020 and thereafter are as follows (in thousands):
Principal MaturityDiscount AmortizationPremium AmortizationPresent
Value
Years ending December 31,
2021$— $(565)$235 $(330)
2022— (605)250 (355)
2023— (648)266 (382)
2024— (694)283 (411)
2025— (744)301 (443)
Thereafter400,000 (326)132 399,806 
Total$400,000 $(3,582)$1,467 $397,885