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Note 10 - Subsequent Events (Detail) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended
	Sep. 05, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	500,000
Maximum Number of Shares Which May Be Granted to Any Participant	150,000
Maximum Cash Award to Any Person in a Fiscal Year (in Dollars)	$ 2
Share-based Compensation Award Term	5 years

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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