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Note 6 - Fair Value Measurements (Tables)

9 Months Ended

Jun. 30, 2024

Notes Tables

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

		June 30, 2024
		Cost Basis				Gross Unrealized Gain				Gross Unrealized Loss				Fair Value				Cash Equivalents				Short-term Securities				Long-term Securities
Level 1:
Money market funds		$	4,423				-				-				4,423				4,423				-				-
Level 2:
Certificates of deposit			302				-				-				302				-				302				-
Municipal securities			1,431				1				-				1,432				-				1,432				-
Corporate bonds			2,315				-				(3	)			2,312				-				2,312				-
Subtotal			4,048				1				(3	)			4,046				-				4,046				-
Total		$	8,471			$	1			$	(3	)		$	8,469			$	4,423			$	4,046			$	-

		September 30, 2023
		Cost Basis				Gross Unrealized Gain				Gross Unrealized Loss				Fair Value				Cash Equivalents				Short-term Securities				Long-term Securities
Level 1:
Money market funds		$	2,307			$	-			$	-			$	2,307			$	2,307			$	-			$	-
Level 2:
Certificates of deposit			301				-				-				301				-				301				-
Municipal securities			926				-				(7	)			919				-				919				-
Corporate bonds			264				-				(3	)			261				-				261				-
Subtotal			1,491				-				(10	)			1,481				-				1,481				-
Total		$	3,798			$	-			$	(10	)		$	3,788			$	2,307			$	1,481			$	-

Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]

		As of June 30, 2024
		In loss position < 12 months								In loss position > 12 months								Total in loss position
		Fair Value				Gross Unrealized Loss				Fair Value				Gross Unrealized Loss				Fair Value				Gross Unrealized Loss
Certificates of deposit		$	-			$	-			$	-			$	-			$	-			$	-
U.S. government agency bonds			-				-				-				-				-				-
Municipal securities			806				-				-				-				806				-
Corporate bonds			2,312				(3	)			-				-				2,312				(3	)
		$	3,118			$	(3	)		$	-			$	-			$	3,118			$	(3	)

		As of September 30, 2023
		In loss position < 12 months								In loss position > 12 months								Total in loss position
		Fair Value				Gross Unrealized Loss				Fair Value				Gross Unrealized Loss				Fair Value				Gross Unrealized Loss
Certificates of deposit		$	-			$	-			$	-			$	-			$	-			$	-
U.S. government agency bonds			-				-				-				-				-				-
Municipal securities			684				(2	)			235				(5	)			919				(7	)
Corporate bonds			-				-				261				(3	)			261				(3	)
		$	684			$	(2	)		$	496			$	(8	)		$	1,180			$	(10	)

Business Combination, Fair Value Measurement of Acquired Intangible Assets [ Table Text Block]

						Fair Value Measurements at June 30, 2024
		Carrying Value				(Level 1)				(Level 2)				(Level 3)				Gain/(Loss)
Intangible assets from Evertel acquisition		$	2,550			$	-			$	-			$	2,550			$	-
Goodwill from Evertel acquisition		$	2,923			$	-			$	-			$	2,923			$	-

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

Value as of acquisition date		$	890
Remeasurement estimate			(16	)
Settlement of contingent consideration liability			(874	)
Balance as of June 30, 2024		$	-

Balance as of acquisition date		$	230
Accretion			15
Balance as of June 30, 2024		$	245

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