Note 4 - Loans and Allowance for Loan Losses (Details) - Loan Portfolio by Credit Quality (USD $)	Sep. 30, 2013	Dec. 31, 2012
Rating:
Loan Balance by Credit Quality	$ 467,175,587	$ 474,408,734
Real Estate Construction [Member] | Pass [Member]
Rating:
Loan Balance by Credit Quality	26,800,000	35,775,000
Real Estate Construction [Member] | Special Mention [Member]
Rating:
Loan Balance by Credit Quality	7,155,000	6,868,000
Real Estate Construction [Member] | Substandard [Member]
Rating:
Loan Balance by Credit Quality	866,000	5,581,000
Real Estate Construction [Member] | Doubtful [Member]
Rating:
Loan Balance by Credit Quality	4,565,000	693,000
Real Estate Construction [Member] | Total [Member]
Rating:
Loan Balance by Credit Quality	39,386,000	48,917,000
Real Estate Construction [Member]
Rating:
Loan Balance by Credit Quality	39,385,606	48,917,296
Real Estate Commercial [Member] | Pass [Member]
Rating:
Loan Balance by Credit Quality	161,855,000	156,448,000
Real Estate Commercial [Member] | Special Mention [Member]
Rating:
Loan Balance by Credit Quality	3,004,000	4,976,000
Real Estate Commercial [Member] | Substandard [Member]
Rating:
Loan Balance by Credit Quality	6,996,000	6,337,000
Real Estate Commercial [Member] | Total [Member]
Rating:
Loan Balance by Credit Quality	171,855,000	167,761,000
Real Estate Commercial [Member]
Rating:
Loan Balance by Credit Quality	171,855,505	167,760,850
One to Four Family Units [Member] | Pass [Member]
Rating:
Loan Balance by Credit Quality	85,324,000	94,209,000
One to Four Family Units [Member] | Special Mention [Member]
Rating:
Loan Balance by Credit Quality	5,176,000	1,636,000
One to Four Family Units [Member] | Substandard [Member]
Rating:
Loan Balance by Credit Quality	2,914,000	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	93,414,000	99,382,000
One to Four Family Units [Member]
Rating:
Loan Balance by Credit Quality	93,413,523	99,381,934
Multi-Family Units [Member] | Pass [Member]
Rating:
Loan Balance by Credit Quality	48,258,000	45,133,000
Multi-Family Units [Member] | Special Mention [Member]
Rating:
Loan Balance by Credit Quality	422,000	1,272,000
Multi-Family Units [Member] | Total [Member]
Rating:
Loan Balance by Credit Quality	48,680,000	46,405,000
Multi-Family Units [Member]
Rating:
Loan Balance by Credit Quality	48,680,101	46,405,034
Commercial Loans [Member] | Pass [Member]
Rating:
Loan Balance by Credit Quality	85,833,000	88,230,000
Commercial Loans [Member] | Special Mention [Member]
Rating:
Loan Balance by Credit Quality	5,043,000	2,255,000
Commercial Loans [Member] | Substandard [Member]
Rating:
Loan Balance by Credit Quality	3,766,000	4,742,000
Commercial Loans [Member] | Doubtful [Member]
Rating:
Loan Balance by Credit Quality	2,351,000
Commercial Loans [Member] | Total [Member]
Rating:
Loan Balance by Credit Quality	96,993,000	95,227,000
Commercial Loans [Member]
Rating:
Loan Balance by Credit Quality	96,993,237	95,226,762
Consumer and Other Loans [Member] | Pass [Member]
Rating:
Loan Balance by Credit Quality	16,054,000	15,840,000
Consumer and Other Loans [Member] | Special Mention [Member]
Rating:
Loan Balance by Credit Quality	90,000	93,000
Consumer and Other Loans [Member] | Substandard [Member]
Rating:
Loan Balance by Credit Quality	704,000	784,000
Consumer and Other Loans [Member] | Total [Member]
Rating:
Loan Balance by Credit Quality	16,848,000	16,717,000
Consumer and Other Loans [Member]
Rating:
Loan Balance by Credit Quality	16,847,615	16,716,858
Pass [Member]
Rating:
Loan Balance by Credit Quality	424,124,000	435,635,000
Special Mention [Member]
Rating:
Loan Balance by Credit Quality	20,890,000	17,100,000
Substandard [Member]
Rating:
Loan Balance by Credit Quality	15,246,000	20,951,000
Doubtful [Member]
Rating:
Loan Balance by Credit Quality	6,916,000	723,000
Total [Member]
Rating:
Loan Balance by Credit Quality	$ 467,176,000	$ 474,409,000