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Note 17 - Consolidated Quarterly Financial Information (unaudited) (Detail) (USD $) | 3 Months Ended
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Dec. 31, 2012
Proceeds from Recoveries of Loans Previously Charged off | $ 1,250

X
- Definition The cash inflow from loans reinstated and recovered that were previously deemed uncollectible. + References No definition available. + Details
Name: | us-gaap_ProceedsFromRecoveriesOfLoanPreviouslyChargedOff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration