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Income Taxes (Details 1) - USD ($) $ in Thousands | Sep. 30, 2016 | Sep. 30, 2015
--- | --- | ---
Current deferred income tax asset: |  |
Net operating loss carryforwards and tax credits | $ 0 | $ 391
Accrued liabilities | 0 | 753
Valuation allowance | 0 | (162)
Net current deferred tax asset | 0 | 982
Deferred income tax asset (liability): |  |
Net operating loss carry forwards and tax credits | 12,387 | 12,341
AMT credit carryforward | 231 | 183
Stock based compensation | 172 | 767
Fixed and intangible assets | (2,580) | (2,379)
Accrued expenses | 918 | 0
Other items, net | 287 | 5
Valuation allowance | 0 | (1,592)
Net deferred tax asset | $ 11,415 | $ 9,325

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