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Note 6 - Investment Securities Available For Sale (Detail) - Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013
Due in one year or less	$ 2,915
Due in one year or less	2,985
Due after one year through five years	4,543
Due after one year through five years	4,811
Due after five years through ten years	21,842
Due after five years through ten years	22,805
Due after ten years	154,174
Due after ten years	159,336
Total	183,474
Total	$ 189,937

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Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

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