Note 4 - Fair Value Measurements (Tables)

9 Months Ended

Jun. 30, 2022

Notes Tables

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

	Fair Value Measurements at June 30, 2022
(In thousands)	Total		Level 1		Level 2		Level 3
Investment securities:
U.S treasury securities	$	15,342	$	-	$	15,342	$	-
Certificates of deposit		13,546		-		13,546		-
Total investment securities	$	28,888	$	-	$	28,888	$	-