Income Taxes (Details 1) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Current deferred income tax asset:
Net operating loss carryforwards and tax credits	$ 391	$ 98
Accrued liabilities	753	122
Valuation allowance	(162)	(136)
Net current deferred tax asset	982	84
Deferred income tax asset (liability):
Net operating loss carry forwards and tax credits	12,524	16,556
Stock based compensation	767	646
Fixed and intangible assets	(2,379)	(2,176)
Other items, net	5	488
Valuation allowance	(1,592)	(11,001)
Net deferred tax asset	$ 9,325	$ 4,513