Note 6 - Credit Losses (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Accounts Receivable, Allowance for Credit Loss [Table Text Block]

	Trade Receivables		Other Non-Trade Contractual Arrangements
Beginning Balance, December 31, 2021	$	4,597	$	6,948
Provision for expected credit losses		512		548
Ending Balance, June 30, 2022	$	5,109	$	7,496