Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2024

Fair Value Disclosures [Abstract]

Schedule of Unrealized Gain (Loss) on Investments

The following tables present the Company’s cash equivalents and marketable securities’ costs, gross unrealized gains and losses, and fair value by major security type recorded as cash equivalents or short-term or long-term marketable securities as of September 30, 2024 and 2023. Unrealized gains and losses from the remeasurement of marketable securities are recorded in accumulated other comprehensive loss until recognized in earnings upon the sale or maturity of the security.

	September 30, 2024
	Cost Basis		Unrealized Gain		Unrealized Loss		Fair Value		Cash Equivalents		Short-term Securities		Long-term Securities
Level 1:
Money market funds	$	301	$	—	$	—	$	301	$	301	$	—	$	—
Level 2:
Certificates of deposit		401		—		—		401		152		—		249
U.S. government agency bonds		2,591		3		—		2,594				2,594		—
Municipal securities		2,127		2		—		2,129		—		2,129		—
Corporate bonds		3,219		3		—		3,222		—		3,222		—
Subtotal		8,338		8		—		8,346		152		7,945		249
Total	$	8,639	$	8	$	—	$	8,647	$	453	$	7,945	$	249

	September 30, 2023
	Cost Basis		Unrealized Gain		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	$	—

Schedule of Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value

The following table summarizes the fair value and gross unrealized losses related to available-for-sale debt securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of September 30, 2023:

	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	)

Schedule of Business Combination, Fair Value Measurement of Acquired Intangible Assets

The following table presents nonfinancial assets that were subject to fair value measurement during the twelve months ended September 30, 2024. Certain intangible assets, operating lease ROU assets and goodwill are subject to foreign currency translation adjustments.

			Fair Value Measurements at September 30, 2024
Carrying Value	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 Measurements at September 30, 2023
Carrying Value	Carrying Value		(Level 1)		(Level 2)		(Level 3)		Gain (Loss)
Operating Lease ROU Asset	$	79	$	—	$	—	$	79	$	—

Schedule of Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis

Balance as of acquisition date	$	890
Remeasurement adjustment		(16	)
Payment		(874	)
Balance as of September 30, 2024	$	—

Balance as of acquisition date	$	230
Accretion		20
Balance as of September 30, 2024	$	250