Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables summarize assets and liabilities measured and recorded at fair value on a recurring basis in the accompanying Consolidated Balance Sheets as of September 30, 2017 and 2016 (in thousands):

			Fair Value Measurements at Reporting Date Using
			Quoted Prices in				Significant
			Active Markets for		Significant Other		Unobservable
	September 30,		Identical Assets		Observable Inputs		Inputs
Description	2017		(Level 1)		(Level 2)		(Level 3)
Assets:
Cash equivalents	$	45	$	42	$	3	$	—
Available-for-sale securities		2,670		—		2,670		—
Foreign exchange contracts		4		—		4		—
Total Assets	$	2,719	$	42	$	2,677	$	—
Liabilities:
Foreign exchange contracts		146		—		146		—
Total Liabilities	$	146	$	—	$	146	$	—

			Fair Value Measurements at Reporting Date Using
			Quoted Prices in				Significant
			Active Markets for		Significant Other		Unobservable
	September 30,		Identical Assets		Observable Inputs		Inputs
Description	2016		(Level 1)		(Level 2)		(Level 3)
Assets:
Cash equivalents	$	143	$	98	$	45	$	—
Available-for-sale securities		6,135		—		6,135		—
Foreign exchange contracts		5		—		5		—
Convertible debt securities		5,774		—		—		5,774
Stock warrant		45		—		—		45
Total Assets	$	12,102	$	98	$	6,185	$	5,819
Liabilities:
Contingent consideration	$	500	$	—	$	—	$	500
Foreign exchange contracts		96		—		96		—
Total Liabilities	$	596	$	—	$	96	$	500

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

The following table presents the reconciliation of the assets and liabilities measured and recorded at fair value on a recurring basis using significant unobservable inputs (Level 3) (in thousands):

	Convertible		Stock		Contingent
	Debt Securities		Warrant		Consideration		Total
Balance at September 30, 2016	$	5,774	$	45	$	500	$	6,319
Change in fair value		(194)		(37)		—		(231)
Settlements		(5,580)		(8)		(500)		(6,088)
Balance at September 30, 2017	$	—	$	—	$	—	$	—