Note 4 - Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2023

Notes Tables

Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block]

	December 31, 2023
	Level 1		Level 2		Level 3		Total
	(In thousands)
Money market fund deposits	$	59,406	$	-	$	-	$	59,406
Mutual fund investments		11		-		-		11
Total	$	59,417	$	-	$	-	$	59,417
Amounts included in:
Cash and cash equivalents	$	59,406	$	-	$	-	$	59,406
Investments in marketable securities		11		-		-		11
Total	$	59,417	$	-	$	-	$	59,417

	September 30, 2023
	Level 1		Level 2		Level 3		Total
	(In thousands)
Money market fund deposits	$	59,382	$	-	$	-	$	59,382
Mutual fund investments		10		-		-		10
Total	$	59,392	$	-	$	-	$	59,392
Amounts included in:
Cash and cash equivalents	$	59,382	$	-	$	-	$	59,382
Investments in marketable securities		10		-		-		10
Total	$	59,392	$	-	$	-	$	59,392