Fair Value Measures (Detail) - Assets and Liabilities measured at fair value on a recurring basis (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Assets:
Money Market funds	$ 3,503	$ 3,498
Total assets measured at fair value	3,503	3,498
Level 1
Assets:
Money Market funds	3,503	3,498
Total assets measured at fair value	3,503	3,498
Level 2
Assets:
Money Market funds	0	0
Total assets measured at fair value	0	0
Level 3
Assets:
Money Market funds	0	0
Total assets measured at fair value	$ 0	$ 0