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Note 4 - Long-term Debt (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
  

December 31,

 
  

2020

  

2019

 

Long-term debt including current portion:

        

2017 Term Loan

 $595  $595 

2019 Term Loan

  1,190   1,190 

2024 Notes

  -   525 

2026 Notes

  700   700 

2027 Notes

  750   750 

2030 Notes

  800   - 

Total outstanding principal

  4,035   3,760 

Unamortized deferred loan costs - 2019 Term Loan

  (34)  (44)

Unamortized deferred loan costs - 2024 Notes

  -   (5)

Unamortized deferred loan costs - 2026 Notes

  (6)  (7)

Unamortized deferred loan costs - 2027 Notes

  (10)  (11)

Unamortized deferred loan costs - 2030 Notes

  (14)  - 

Unamortized premium - 2026 Notes

  3   4 

Long-term debt, less deferred financing costs

 $3,974  $3,697 
         

Borrowing availability under Revolving Credit Facility

 $200  $200 
Schedule of Maturities of Long-term Debt [Table Text Block]
  

Minimum Principal Maturities

 
  

2019 Senior

  

2026

  

2027

  

2030

     

Year

 

Credit Facility

  

Notes

  

Notes

  

Notes

  

Total

 

2021

 $-  $-  $-  $-  $- 

2022

  -   -   -   -   - 

2023

  -   -   -   -   - 

2024

  595   -   -   -   595 

2025

  -   -   -   -   - 

Thereafter

  1,190   700   750   800   3,440 

Total

 $1,785  $700  $750  $800  $4,035