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Note 9 - Share-Based Compensation (Detail) (USD $)
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3 Months Ended | 1 Months Ended |
|---|---|---|
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Sep. 30, 2012
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Jul. 31, 2012
Officer [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 57,582 | |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share) | $ 9.05 | |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period | 611,754 | |
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant | 1,060,436 |
| X | ||||||||||
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- Definition
The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Gross number of share options (or share units) granted during the period. No definition available.
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| X | ||||||||||
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- Definition
The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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