Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans (USD $)	Dec. 31, 2014	Dec. 31, 2013
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Total Loans Receivable	$ 476,908,000	$ 423,829,000
Performing and Accruing Loans [Member] | Commercial Portfolio Segment [Member] | Pass [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
31-60 Days Past Due	1,520,000	725,000
Total Past Due	1,520,000	725,000
Current	46,279,000	26,790,000
Total Loan Balances	47,799,000	27,515,000
Total Non-Accrual and Past Due Loans	279,000	25,000
Total Loans Receivable	48,078,000	27,540,000
Performing and Accruing Loans [Member] | Commercial Portfolio Segment [Member] | Special Mention [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Current	121,000	170,000
Total Loan Balances	121,000	170,000
Total Loans Receivable	121,000	170,000
Performing and Accruing Loans [Member] | Commercial Portfolio Segment [Member] | Substandard [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Current	5,772,000	1,275,000
Total Loan Balances	5,772,000	1,275,000
Total Non-Accrual and Past Due Loans	2,000	6,152,000
Total Loans Receivable	5,774,000	7,427,000
Performing and Accruing Loans [Member] | Commercial Portfolio Segment [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
31-60 Days Past Due	1,520,000	725,000
Total Past Due	1,520,000	725,000
Current	52,172,000	28,235,000
Total Loan Balances	53,692,000	28,960,000
Total Non-Accrual and Past Due Loans	281,000	6,177,000
Total Loans Receivable	53,973,000	35,137,000
Performing and Accruing Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
31-60 Days Past Due		1,845,000
61- 89 Days Past Due		266,000
Total Past Due		2,111,000
Current	248,132,000	204,615,000
Total Loan Balances	248,132,000	206,726,000
Total Loans Receivable	248,132,000	206,726,000
Performing and Accruing Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
31-60 Days Past Due	1,041,000
Total Past Due	1,041,000
Current	2,887,000	9,047,000
Total Loan Balances	3,928,000	9,047,000
Total Loans Receivable	3,928,000	9,047,000
Performing and Accruing Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
61- 89 Days Past Due	815,000
Total Past Due	815,000
Current	1,492,000	4,394,000
Total Loan Balances	2,307,000	4,394,000
Total Non-Accrual and Past Due Loans	138,000	2,605,000
Total Loans Receivable	2,445,000	6,999,000
Performing and Accruing Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
31-60 Days Past Due	1,041,000	1,845,000
61- 89 Days Past Due	815,000	266,000
Total Past Due	1,856,000	2,111,000
Current	252,511,000	218,056,000
Total Loan Balances	254,367,000	220,167,000
Total Non-Accrual and Past Due Loans	138,000	2,605,000
Total Loans Receivable	254,505,000	222,772,000
Performing and Accruing Loans [Member] | Real Estate Construction [Member] | Pass [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Current	3,096,000
Total Loan Balances	3,096,000
Total Loans Receivable	3,096,000
Performing and Accruing Loans [Member] | Real Estate Construction [Member] | Substandard [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Total Non-Accrual and Past Due Loans		260,000
Total Loans Receivable		260,000
Performing and Accruing Loans [Member] | Real Estate Construction [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Current	3,096,000
Total Loan Balances	3,096,000
Total Non-Accrual and Past Due Loans		260,000
Total Loans Receivable	3,096,000	260,000
Performing and Accruing Loans [Member] | Real Estate Construction to Permanent [Member] | Pass [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Current	10,627,000	10,183,000
Total Loan Balances	10,627,000	10,183,000
Total Loans Receivable	10,627,000	10,183,000
Performing and Accruing Loans [Member] | Real Estate Construction to Permanent [Member] | Substandard [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Total Non-Accrual and Past Due Loans		1,189,000
Total Loans Receivable		1,189,000
Performing and Accruing Loans [Member] | Real Estate Construction to Permanent [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Current	10,627,000	10,183,000
Total Loan Balances	10,627,000	10,183,000
Total Non-Accrual and Past Due Loans		1,189,000
Total Loans Receivable	10,627,000	11,372,000
Performing and Accruing Loans [Member] | Residential Portfolio Segment [Member] | Pass [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
31-60 Days Past Due	172,000	32,000
61- 89 Days Past Due	87,000
Greater Than 90 Days	1,553,000
Total Past Due	1,812,000	32,000
Current	106,012,000	103,998,000
Total Loan Balances	107,824,000	104,030,000
Total Loans Receivable	107,824,000	104,030,000
Performing and Accruing Loans [Member] | Residential Portfolio Segment [Member] | Substandard [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Total Non-Accrual and Past Due Loans	719,000	2,938,000
Total Loans Receivable	719,000	2,938,000
Performing and Accruing Loans [Member] | Residential Portfolio Segment [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
31-60 Days Past Due	172,000	32,000
61- 89 Days Past Due	87,000
Greater Than 90 Days	1,553,000
Total Past Due	1,812,000	32,000
Current	106,012,000	103,998,000
Total Loan Balances	107,824,000	104,030,000
Total Non-Accrual and Past Due Loans	719,000	2,938,000
Total Loans Receivable	108,543,000	106,968,000
Performing and Accruing Loans [Member] | Consumer Portfolio Segment [Member] | Pass [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
31-60 Days Past Due		350,000
61- 89 Days Past Due	2,000	561,000
Total Past Due	2,000	911,000
Current	46,155,000	46,368,000
Total Loan Balances	46,157,000	47,279,000
Total Loans Receivable	46,157,000	47,279,000
Performing and Accruing Loans [Member] | Consumer Portfolio Segment [Member] | Substandard [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
31-60 Days Past Due		7,000
Total Past Due		7,000
Total Loan Balances		7,000
Total Non-Accrual and Past Due Loans	7,000	34,000
Total Loans Receivable	7,000	41,000
Performing and Accruing Loans [Member] | Consumer Portfolio Segment [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
31-60 Days Past Due		357,000
61- 89 Days Past Due	2,000	561,000
Total Past Due	2,000	918,000
Current	46,155,000	46,368,000
Total Loan Balances	46,157,000	47,286,000
Total Non-Accrual and Past Due Loans	7,000	34,000
Total Loans Receivable	46,164,000	47,320,000
Performing and Accruing Loans [Member] | Pass [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
31-60 Days Past Due	1,692,000	2,952,000
61- 89 Days Past Due	89,000	827,000
Greater Than 90 Days	1,553,000
Total Past Due	3,334,000	3,779,000
Current	460,301,000	391,954,000
Total Loan Balances	463,635,000	395,733,000
Total Non-Accrual and Past Due Loans	279,000	25,000
Total Loans Receivable	463,914,000	395,758,000
Performing and Accruing Loans [Member] | Special Mention [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
31-60 Days Past Due	1,041,000
Total Past Due	1,041,000
Current	3,008,000	9,217,000
Total Loan Balances	4,049,000	9,217,000
Total Loans Receivable	4,049,000	9,217,000
Performing and Accruing Loans [Member] | Substandard [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
31-60 Days Past Due		7,000
61- 89 Days Past Due	815,000
Total Past Due	815,000	7,000
Current	7,264,000	5,669,000
Total Loan Balances	8,079,000	5,676,000
Total Non-Accrual and Past Due Loans	866,000	13,178,000
Total Loans Receivable	8,945,000	18,854,000
Performing and Accruing Loans [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
31-60 Days Past Due	2,733,000	2,959,000
61- 89 Days Past Due	904,000	827,000
Greater Than 90 Days	1,553,000
Total Past Due	5,190,000	3,786,000
Current	470,573,000	406,840,000
Total Loan Balances	475,763,000	410,626,000
Total Non-Accrual and Past Due Loans	1,145,000	13,203,000
Total Loans Receivable	476,908,000	423,829,000
Commercial Portfolio Segment [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Total Loans Receivable	53,973,000	35,137,000
Commercial Real Estate Portfolio Segment [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Total Loans Receivable	254,505,000	222,772,000
Real Estate Construction [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Total Loans Receivable	3,096,000	260,000
Real Estate Construction to Permanent [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Total Loans Receivable	10,627,000	11,372,000
Residential Portfolio Segment [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Total Loans Receivable	108,543,000	106,968,000
Consumer Portfolio Segment [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Total Loans Receivable	46,164,000	47,320,000
Pass [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Total Loans Receivable	463,914,000	395,758,000
Special Mention [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Total Loans Receivable	4,049,000	9,217,000
Substandard [Member]
Note 4 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items]
Total Loans Receivable	$ 8,945,000	$ 18,854,000