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Note 9 - Employee Benefit Plan (Detail) (USD $)
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12 Months Ended | ||
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Sep. 30, 2012
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Sep. 30, 2011
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Sep. 30, 2010
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| Defined Contribution Plan, Maximum Annual Contribution Per Employee, Amount | $ 14,000 | ||
| Defined Benefit Plan, Contributions by Employer | $ 42,000 | $ 21,000 | $ 30,000 |
| X | ||||||||||
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- Definition
The increase in the fair value of plan assets from contributions made by the employer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Maximum amount per employee, by the terms of the plan, that the employer may contribute to a defined contribution plan. No definition available.
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