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Note 9 - Debt, Credit Facility and Leases (Tables)
6 Months Ended
Jun. 30, 2020
Notes Tables  
Schedule of Line of Credit Facilities [Table Text Block]

Interest rates:

    

Spread over the London Interbank Offered Rate

 2.25-4.00%

Spread over alternative base rate

 1.25-3.00%

Standby fee per annum on undrawn amounts

 0.5625-1.00%

Covenant financial ratios:

    

Senior leverage ratio (debt secured by liens/EBITDA)

 

not more than 2.50:1

Leverage ratio (total debt less unencumbered cash/EBITDA) (1)

 

not more than 4.25:1

Interest coverage ratio (EBITDA/interest expense)

 

not less than 3.00:1

Finance Lease, Liability, Fiscal Year Maturity [Table Text Block]

Twelve-month period ending June 30,

    

2021

 $6,123 

2022

  4,441 

2023

  2,151 

2024

  960 

Total

  13,675 

Less: imputed interest

  (873)

Finance lease liability

 $12,802 
Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Twelve-month period ending June 30,

    

2021

 $3,946 

2022

  3,384 

2023

  2,617 

2024

  1,512 

2025

  539 

More than 5 years

  2,601 

Total

  14,599 

Effect of discounting

  (1,358)

Operating lease liability

 $13,241