Note 5 - Investment in Interest-earning Time Deposits (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Investments in Interest-Earning Time Deposits by Contractual Maturity [Table Text Block]

	2021		2020
Due in one year or less	$	4,487	$	4,006
Due after one year through five years		3,437		5,457
Total	$	7,924	$	9,463