Note 3 - Loans Receivable (Details) - Past Due and Non-accrual Status of Loans (USD $)	Sep. 30, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-59 days past due	$ 342,000	$ 489,000
Loans, 60-89 days past due	37,000	44,000
Loans, 90 days or more past due	642,000	1,056,000
Loans, past due	1,021,000	1,589,000
Loans, current	318,343,000	296,344,000
Loans	319,364,000	297,933,000
Loans, nonaccrual	1,298,000	989,000
Construction Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, current	10,517,000	6,768,000
Loans	10,517,000	6,768,000
Land Acquistion, Development and Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, current	22,149,000	20,904,000
Loans	22,149,000	20,904,000
Real Estate Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-59 days past due	141,000
Loans, 90 days or more past due	480,000	931,000
Loans, past due	621,000	931,000
Loans, current	81,898,000	72,003,000
Loans	82,519,000	72,934,000
Loans, nonaccrual	480,000	707,000
Real Estate Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 90 days or more past due	152,000
Loans, past due	152,000
Loans, current	132,539,000	126,100,000
Loans	132,691,000	126,100,000
Loans, nonaccrual	784,000
Commercial, Industrial and Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-59 days past due	20,000	270,000
Loans, 60-89 days past due		44,000
Loans, 90 days or more past due	10,000	36,000
Loans, past due	30,000	350,000
Loans, current	39,732,000	41,805,000
Loans	39,762,000	42,155,000
Loans, nonaccrual	10,000	193,000
Equity Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-59 days past due	180,000	203,000
Loans, 90 days or more past due		59,000
Loans, past due	180,000	262,000
Loans, current	23,343,000	20,112,000
Loans	23,523,000	20,374,000
Loans, nonaccrual		59,000
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, 30-59 days past due	1,000	16,000
Loans, 60-89 days past due	37,000
Loans, 90 days or more past due		30,000
Loans, past due	38,000	46,000
Loans, current	8,165,000	8,652,000
Loans	8,203,000	8,698,000
Loans, nonaccrual	$ 24,000	$ 30,000