Note 4 - Loans and Allowance for Loan Losses (Details) - Loan Portfolio by Credit Quality (USD $)	Jun. 30, 2013	Dec. 31, 2012
Rating:
Loan Balance by Credit Quality	$ 468,167,023	$ 474,408,734
Real Estate Construction [Member] | Pass [Member]
Rating:
Loan Balance by Credit Quality	39,157,000	35,775,000
Real Estate Construction [Member] | Special Mention [Member]
Rating:
Loan Balance by Credit Quality	7,122,000	6,868,000
Real Estate Construction [Member] | Substandard [Member]
Rating:
Loan Balance by Credit Quality	5,988,000	5,581,000
Real Estate Construction [Member] | Doubtful [Member]
Rating:
Loan Balance by Credit Quality		693,000
Real Estate Construction [Member] | Total [Member]
Rating:
Loan Balance by Credit Quality	52,267,000	48,917,000
Real Estate Construction [Member]
Rating:
Loan Balance by Credit Quality	46,279,543	48,917,296
Real Estate Commercial [Member] | Pass [Member]
Rating:
Loan Balance by Credit Quality	158,886,000	156,448,000
Real Estate Commercial [Member] | Special Mention [Member]
Rating:
Loan Balance by Credit Quality	3,106,000	4,976,000
Real Estate Commercial [Member] | Substandard [Member]
Rating:
Loan Balance by Credit Quality	5,616,000	6,337,000
Real Estate Commercial [Member] | Doubtful [Member]
Rating:
Loan Balance by Credit Quality	1,717,000
Real Estate Commercial [Member] | Total [Member]
Rating:
Loan Balance by Credit Quality	169,325,000	167,761,000
Real Estate Commercial [Member]
Rating:
Loan Balance by Credit Quality	163,708,672	167,760,850
One to Four Family Units [Member] | Pass [Member]
Rating:
Loan Balance by Credit Quality	91,942,000	94,209,000
One to Four Family Units [Member] | Special Mention [Member]
Rating:
Loan Balance by Credit Quality	5,663,000	1,636,000
One to Four Family Units [Member] | Substandard [Member]
Rating:
Loan Balance by Credit Quality	3,113,000	3,507,000
One to Four Family Units [Member] | Doubtful [Member]
Rating:
Loan Balance by Credit Quality		30,000
One to Four Family Units [Member] | Total [Member]
Rating:
Loan Balance by Credit Quality	100,718,000	99,382,000
One to Four Family Units [Member]
Rating:
Loan Balance by Credit Quality	97,605,398	99,381,934
Multi-Family Units [Member] | Pass [Member]
Rating:
Loan Balance by Credit Quality	46,204,000	45,133,000
Multi-Family Units [Member] | Special Mention [Member]
Rating:
Loan Balance by Credit Quality	1,258,000	1,272,000
Multi-Family Units [Member] | Total [Member]
Rating:
Loan Balance by Credit Quality	47,462,000	46,405,000
Multi-Family Units [Member]
Rating:
Loan Balance by Credit Quality	47,461,634	46,405,034
Commercial Loans [Member] | Pass [Member]
Rating:
Loan Balance by Credit Quality	90,582,000	88,230,000
Commercial Loans [Member] | Special Mention [Member]
Rating:
Loan Balance by Credit Quality	5,452,000	2,255,000
Commercial Loans [Member] | Substandard [Member]
Rating:
Loan Balance by Credit Quality	5,097,000	4,742,000
Commercial Loans [Member] | Total [Member]
Rating:
Loan Balance by Credit Quality	101,131,000	95,227,000
Commercial Loans [Member]
Rating:
Loan Balance by Credit Quality	96,034,123	95,226,762
Consumer and Other Loans [Member] | Pass [Member]
Rating:
Loan Balance by Credit Quality	16,976,000	15,840,000
Consumer and Other Loans [Member] | Special Mention [Member]
Rating:
Loan Balance by Credit Quality	102,000	93,000
Consumer and Other Loans [Member] | Substandard [Member]
Rating:
Loan Balance by Credit Quality	763,000	784,000
Consumer and Other Loans [Member] | Total [Member]
Rating:
Loan Balance by Credit Quality	17,841,000	16,717,000
Consumer and Other Loans [Member]
Rating:
Loan Balance by Credit Quality	17,077,653	16,716,858
Pass [Member]
Rating:
Loan Balance by Credit Quality	443,747,000	435,635,000
Special Mention [Member]
Rating:
Loan Balance by Credit Quality	22,703,000	17,100,000
Substandard [Member]
Rating:
Loan Balance by Credit Quality	20,577,000	20,951,000
Doubtful [Member]
Rating:
Loan Balance by Credit Quality	1,717,000	723,000
Total [Member]
Rating:
Loan Balance by Credit Quality	$ 488,744,000	$ 474,409,000