Segment Information (Detail) - Long-lived assets by geographic location (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 2,018	$ 1,830
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	1,429	1,287
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 589	$ 543