Income Taxes (Detail) - Reconciliation of “expected” income tax expense (benefit) to “actual” income tax expense (benefit) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Computed “expected” tax expense (in Dollars)	$ 234	$ 1,656
Computed “expected” tax expense	34.00%	34.00%
Increases (reductions) in taxes resulting from:
State income taxes, net of federal tax benefit (in Dollars)	1	(236)
State income taxes, net of federal tax benefit	0.30%	(4.90%)
Foreign operations (in Dollars)	40	(176)
Foreign operations	5.80%	(3.60%)
Change in valuation allowance (in Dollars)	0	(2,762)
Change in valuation allowance	0.00%	(56.80%)
Permanent differences (in Dollars)	(22)	(388)
Permanent differences	(3.20%)	(8.00%)
Stock-based compensation (in Dollars)	158	4
Stock-based compensation	22.90%	0.10%
Foreign net operating loss (in Dollars)	(15)	107
Foreign net operating loss	(2.20%)	2.20%
Uncertain tax liability adjustment (in Dollars)	(61)	37
Uncertain tax liability adjustment	(8.90%)	0.80%
Research & Development Credit (in Dollars)	(50)	0
Research & Development Credit	(7.30%)	0.00%
Other items (in Dollars)	36	18
Other items	5.20%	0.40%
Income tax expense (benefit)	$ 321	$ (1,740)
Income tax expense (benefit)	46.60%	(35.80%)