Note 7 - Fair Value Measurements (Details) - Level 3 Asset Quantitative Information (USD $) In Thousands, unless otherwise specified	5 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value (in Dollars)	$ 439	$ 1,338
Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value (in Dollars)	313	1,068
Valuation Techniques	Discounted appraised value	Discounted appraised value
Unobservable Input	Selling cost	Selling cost
Unobservable Input	Selling cost	Selling cost
Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Discount for Lack of Marketability [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input	Discount for lack of marketability and age of appraisal	Discount for lack of marketability and age of appraisal
Unobservable Input	Discount for lack of marketability and age of appraisal	Discount for lack of marketability and age of appraisal
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation Techniques	Discounted appraised value	Discounted appraised value
Unobservable Input	Selling cost	Selling cost
Fair Value (in Dollars)	1,458	2,177
Unobservable Input	Selling cost	Selling cost
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member] | Discount for Lack of Marketability [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Unobservable Input	Discount for lack of marketability and age	Discount for lack of marketability and age
Unobservable Input	Discount for lack of marketability and age	Discount for lack of marketability and age
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member] | Internal Evaluations [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation Techniques	Internal evaluations	Internal evaluations
Unobservable Input	Internal evaluations	Internal evaluations
Fair Value (in Dollars)	$ 535	$ 2,379
Unobservable Input	Internal evaluations	Internal evaluations
Minimum [Member] | Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	10.00%	6.00%
Range	10.00%	6.00%
Minimum [Member] | Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Discount for Lack of Marketability [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	41.00%	0.00%
Range	41.00%	0.00%
Minimum [Member] | Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	6.00%	6.00%
Range	6.00%	6.00%
Minimum [Member] | Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member] | Discount for Lack of Marketability [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	4.00%	0.00%
Range	4.00%	0.00%
Minimum [Member] | Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member] | Internal Evaluations [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	0.00%	10.00%
Range	0.00%	10.00%
Maximum [Member] | Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	10.00%	10.00%
Range	10.00%	10.00%
Maximum [Member] | Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Discount for Lack of Marketability [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	41.00%	10.00%
Range	41.00%	10.00%
Maximum [Member] | Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	6.00%	10.00%
Range	6.00%	10.00%
Maximum [Member] | Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member] | Discount for Lack of Marketability [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	4.00%	30.00%
Range	4.00%	30.00%
Maximum [Member] | Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member] | Internal Evaluations [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	31.00%	50.00%
Range	31.00%	50.00%
Weighted Average [Member] | Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	(10.00%)	(10.00%)
Range	(10.00%)	(10.00%)
Weighted Average [Member] | Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Discount for Lack of Marketability [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	(41.00%)	(7.00%)
Range	(41.00%)	(7.00%)
Weighted Average [Member] | Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	(6.00%)	(10.00%)
Range	(6.00%)	(10.00%)
Weighted Average [Member] | Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member] | Discount for Lack of Marketability [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	(4.00%)	(1.00%)
Range	(4.00%)	(1.00%)
Weighted Average [Member] | Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member] | Internal Evaluations [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	(4.00%)	(13.00%)
Range	(4.00%)	(13.00%)