Note 8 - Investment Securities (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Investments Classified by Contractual Maturity Date [Table Text Block]

	Less than one year		1-5 years		Total
Commercial Paper Original Maturities of 91 Days or More	$	11,142	$	-	$	11,142
Corporate Notes and Bonds		8,902		-		8,902
Total Investments	$	20,044	$	-	$	20,044

	Less than one year		1-5 years		Total
Commercial Paper Original Maturities of 91 Days or More	$	7,490	$	-	$	7,490
Corporate Notes and Bonds		12,303		5,085		17,388
Total Investments	$	19,793	$	5,085	$	24,878