|
Note C - Shareholders' Equity (Detail) - Options Currently Outstanding (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Sep. 30, 2012
|
Sep. 30, 2011
|
Sep. 30, 2010
|
|
| Number outstanding | 1,029,176 | 1,200,325 | |
| Weighted average remaining contractual life | 4 years 284 days | 5 years 142 days | |
| Weighted average exercise price (in Dollars per share) | $ 3.07 | $ 2.72 | $ 1.41 |
| Aggregate intrinsic value (in Dollars) | $ 2,101,541 | $ 3,814,064 | |
| X | ||||||||||
|
- Definition
Number of shares reserved for issuance under non-option equity instrument agreements awarded that validly exist and are outstanding, including vested instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| 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
|
| X | ||||||||||
|
- Definition
Weighted average remaining contractual term for option awards outstanding, 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
|