Note 8 - Deferred Charges, Net (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Deferred Charges [Table Text Block]

Balance, January 1, 2020	$	21,983
Additions		15,481
Amortization		(9,056	)
Write-off and other movements (Note 7)		(726	)
Balance, December 31, 2020	$	27,682
Additions		18,882
Amortization		(10,433	)
Write-off and other movements (Note 7)		(4,272	)
Balance, December 31, 2021	$	31,859