Note 2 - Acquisitions (Detail) (USD $)	1 Months Ended
	Sep. 30, 2012	Oct. 31, 2012	Sep. 14, 2012
Significant Acquisitions and Disposals, Gain (Loss) on Sale or Disposal, Pretax			$ 1,100,000
Payments for Merger Related Costs	815,000
Business Acquisition, FDIC Payment	10,500,000	13,800,000
Business Acquisition, Excess Payments Received From And Due To FDIC	$ 1,300,000