Fair Value Measurements (Tables)

9 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

Assets and liabilities measured at fair value on a recurring basis by level of the fair value hierarchy were as follows:

	June 30, 2020
(Dollars in thousands)	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
Assets
Cash equivalents	$	—	$	29,714	$	—	$	29,714
Available-for-sale securities		—		24,178		—		24,178
Total assets	$	—	$	53,892	$	—	$	53,892

	September 30, 2019
(Dollars in thousands)	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)			Total Fair Value
Assets
Cash equivalents	$	—	$	24,375	$	—		$	24,375
Available-for-sale securities		—		24,931		—		$	24,931
Total assets	$	—	$	49,306	$	—		$	49,306
Liabilities
Contingent consideration	$	—	$	—	$	(3,200	)	$	(3,200	)
Total liabilities	$	—	$	—	$	(3,200	)	$	(3,200	)

Schedule of Contingent Consideration Liabilities Measured at Fair Value

Changes in the contingent consideration liabilities measured at fair value using Level 3 inputs were as follows:

	Three Months Ended				Nine Months Ended
	June 30,				June 30,
(Dollars in thousands)	2020		2019		2020			2019
Beginning balance	$	—	$	3,009	$	3,200		$	14,466
Additions		—		—		—			—
Fair value adjustments		—		57		—			(454	)
Settlements		—		—		(3,200	)		(10,979	)
Interest accretion		—		47		—			206
Foreign currency translation loss (gain)		—		—		—			(126	)
Ending balance	$	—	$	3,113	$	—		$	3,113