Note C - Option Transaction Summary (Details) - $ / shares |
12 Months Ended | |
|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
|
| Outstanding (in shares) | 373,051 | 863,519 |
| Weighted Average Exercise Price, Outstanding (in dollars per share) | $ 4.93 | $ 3.24 |
| Cancelled or Forfeited (in shares) | (2,500) | (2,450) |
| Weighted Average Exercise Price, Cancelled or Forfeited (in dollars per share) | $ 6.36 | $ 4.43 |
| Exercised (in shares) | (73,167) | (488,018) |
| Weighted Average Exercise Price, Exercised (in dollars per share) | $ 3.43 | $ 1.94 |
| Outstanding (in shares) | 297,384 | 373,051 |
| Weighted Average Exercise Price, Outstanding (in dollars per share) | $ 5.29 | $ 4.93 |
| X | ||||||||||
- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
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| X | ||||||||||
- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. No definition available.
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| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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