Fair Value Measurements (Tables)

9 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Assets Categorized on Basis of Various Levels

Based on the definitions, the following table represents the Company’s assets categorized in the Level 1 to 3 hierarchies as of June 30, 2018, and September 30, 2017:

	Fair Value Measurements at June 30, 2018
	Level 1		Level 2		Level 3		Total
	(In thousands)
Money market fund deposits	$	19,913	$	—	$	—	$	19,913
Mutual fund investments		8		—		—		8
Total	$	19,921	$	—	$	—	$	19,921
Amounts included in:
Cash and cash equivalents	$	19,913	$	—	$	—	$	19,913
Investments in marketable securities		8		—		—		8
Total	$	19,921	$	—	$	—	$	19,921
	Fair Value Measurements at September 30, 2017
	Level 1		Level 2		Level 3		Total
	(In thousands)
Money market fund deposits	$	13,832	$	—	$	—	$	13,832
Mutual fund investments		8		—		—		8
Total	$	13,840	$	—	$	—	$	13,840
Amounts included in:
Cash and cash equivalents	$	13,832	$	—	$	—	$	13,832
Investments in marketable securities		8		—		—		8
Total	$	13,840	$	—	$	—	$	13,840