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Note 3 - Loans Receivable and Allowance for Loan Losses (Details Textual) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | Dec. 31, 2015 USD ($)
Residential Portfolio Segment [Member] | Reclassified from Commercial and Industrial Portfolio Segment [Member] |  |  |  |  |
Loans and Leases Receivable, Gross |  |  |  |  | $ 28,200,000
Residential Portfolio Segment [Member] |  |  |  |  |
Loans and Leases Receivable, Gross | $ 104,746,000 |  | $ 104,746,000 |  | 110,837,000
Impaired Financing Receivable, Unpaid Principal Balance | 5,518,000 |  | 5,518,000 |  | 5,559,000
Financing Receivable, Recorded Investment, Nonaccrual Status | 1,590,000 |  | 1,590,000 |  | 1,590,000
Impaired Financing Receivable, Related Allowance |  |  |  |  |
Impaired Financing Receivable, Recorded Investment | 4,515,000 |  | 4,515,000 |  | 4,556,000
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Loans and Leases Receivable, Gross | 270,003,000 |  | $ 270,003,000 |  | 245,828,000
Maximum Percentage of Credit Extension Based on Market Value of Collateral |  |  | 75.00% |  |
Impaired Financing Receivable, Unpaid Principal Balance | 7,031,000 |  | $ 7,031,000 |  | 8,259,000
Financing Receivable, Recorded Investment, Nonaccrual Status |  |  |  |  |
Impaired Financing Receivable, Related Allowance |  |  |  |  |
Impaired Financing Receivable, Recorded Investment | 6,526,000 |  | $ 6,526,000 |  | 7,745,000
Multi-family Real Estate [Member] |  |  |  |  |
Maximum Percentage of Credit Extension Based on Market Value of Collateral |  |  | 80.00% |  |
Construction Portfolio Segment [Member] |  |  |  |  |
Loans and Leases Receivable, Gross | 26,094,000 |  | $ 26,094,000 |  | 15,551,000
Percentage of Maximum Loan to Value |  |  | 75.00% |  |
Impaired Financing Receivable, Unpaid Principal Balance | 287,000 |  | $ 287,000 |  | 287,000
Financing Receivable, Recorded Investment, Nonaccrual Status |  |  |  |  |
Impaired Financing Receivable, Related Allowance |  |  |  |  |
Impaired Financing Receivable, Recorded Investment |  |  |  |  |
Non-Accrual Loans [Member] |  |  |  |  |
Impaired Financing Receivable, Unpaid Principal Balance | 4,800,000 |  | 4,800,000 |  | 1,600,000
Financing Receivable, Allowance for Credit Losses | 3,000,000 |  | 3,000,000 |  | 3,000
Impaired Financing Receivable, Related Allowance | 1,020,000 |  | 1,020,000 |  |
Loans and Leases Receivable, Gross | 528,654,000 |  | 528,654,000 |  | 484,369,000
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums | 800,000 |  | 800,000 |  | 900,000
Loans and Leases Receivable, Deferred Income | 300,000 |  | $ 300,000 |  | 300,000
Maximum Period of Credit Extension of Construction Loans |  |  | 1 year 180 days |  |
Period for Charged Off of Open-End Credits |  |  | 180 days |  |
Period for Charged Off of Close-End Credits |  |  | 120 days |  |
Impaired Financing Receivable, Unpaid Principal Balance | 16,771,000 |  | $ 16,771,000 |  | 14,837,000
Financing Receivable, Recorded Investment, Nonaccrual Status | 4,800,000 |  | 4,800,000 |  | 1,593,000
Financing Receivable, Recorded Investment, Nonaccrual Status, Increase (Decrease) |  |  | 3,200,000 |  |
Impaired Financing Receivable, Related Allowance | 2,979,000 |  | 2,979,000 |  | 3,000
Provision for Loan Losses Expensed | 1,959,000 |  | 1,959,000 | $ 250,000 |
Potential Insurance Recovery on Loan, Limit of Liability | 5,000,000 |  | 5,000,000 |  |
Potential Insurance Recovery, Deductible | $ 50,000 |  | $ 50,000 |  |
Maximum Period for Charged Off of Consumer Installment Loans |  |  | 90 days |  |
Number of Non-Accruing Loans | 5 |  | 5 |  |
Impaired Financing Receivable, Recorded Investment | $ 14,859,000 |  | $ 14,859,000 |  | 12,851,000
Financing Receivable, Modifications, Number of Contracts |  |  | 0 | 0 |
Loans and Leases Receivable, Impaired, Commitment to Lend | $ 0 |  | $ 0 |  | $ 0

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- Definition Maximum percentage of credit extension based on market value of collateral. + References No definition available. + Details
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- Definition Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65890831&loc=d3e10152-111534 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=25496975&loc=d3e45377-112738 + Details
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