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Note C - Shareholders' Equity (Details) - Options Exercisable (USD $)
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12 Months Ended | |
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Sep. 30, 2014
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Sep. 30, 2013
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| Options Exercisable [Abstract] | ||
| Exercisable | 313,851 | 711,802 |
| Weighted average remaining contractual life | 2 years 229 days | 4 years 62 days |
| Weighted average exercise price | $ 4.67 | $ 2.75 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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