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Note 3 - Loans Receivable and Allowance for Loan Losses - Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Dec. 31, 2016
Balance | $ 5,697 | $ 5,247 | $ 4,675 | $ 5,242 |  |
Charge-offs | (13) | (1) | (13) | (6) |  |
Recoveries | 0 | 4 | 2,771 | 14 |  |
Provisions (credits) | 260 | 1,959 | (1,489) | 1,959 |  |
Balance | 5,944 | 7,209 | 5,944 | 7,209 |  |
Allowance for loan losses: Collectively evaluated for impairment |  |  |  |  | $ 5,713 | $ 4,444
Total allowance for loan losses | 5,944 | 5,247 | 5,944 | 7,209 | 5,944 | 4,675
Loans receivable, gross: Individually evaluated for impairment |  |  |  |  | 8,856 | 8,951
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  | 670,232 | 572,706
Total loans receivable, gross |  |  |  |  | 679,088 | 581,657
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  | 231 | 231
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |  |
Balance | 2,198 | 1,943 | 1,853 | 1,970 |  |
Charge-offs | 0 | 0 | 0 | 0 |  |
Recoveries | 0 | 0 | 2 | 0 |  |
Provisions (credits) | 20 | 352 | 363 | 325 |  |
Balance | 2,218 | 2,295 | 2,218 | 2,295 |  |
Allowance for loan losses: Collectively evaluated for impairment |  |  |  |  | 2,218 | 1,853
Total allowance for loan losses | 2,198 | 1,943 | 2,218 | 2,295 | 2,218 | 1,853
Loans receivable, gross: Individually evaluated for impairment |  |  |  |  | 6,142 | 6,267
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  | 273,917 | 264,962
Total loans receivable, gross |  |  |  |  | 280,059 | 271,229
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  | 0 | 0
Residential Portfolio Segment [Member] |  |  |  |  |  |
Balance | 1,073 | 624 | 534 | 740 |  |
Charge-offs | 0 | 0 | 0 | (4) |  |
Recoveries | 0 | 1 | 0 | 1 |  |
Provisions (credits) | (32) | 22 | 507 | (90) |  |
Balance | 1,041 | 647 | 1,041 | 647 |  |
Allowance for loan losses: Collectively evaluated for impairment |  |  |  |  | 1,041 | 534
Total allowance for loan losses | 1,073 | 624 | 1,041 | 647 | 1,041 | 534
Loans receivable, gross: Individually evaluated for impairment |  |  |  |  | 1,905 | 1,911
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  | 150,523 | 84,603
Total loans receivable, gross |  |  |  |  | 152,428 | 86,514
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  | 0 | 0
Commercial Portfolio Segment [Member] |  |  |  |  |  |
Balance | 1,049 | 1,083 | 740 | 1,027 |  |
Charge-offs | 0 | 0 | 0 | 0 |  |
Recoveries | 0 | 3 | 2,769 | 12 |  |
Provisions (credits) | 404 | 2,314 | (2,056) | 2,361 |  |
Balance | 1,453 | 3,400 | 1,453 | 3,400 |  |
Allowance for loan losses: Collectively evaluated for impairment |  |  |  |  | 1,222 | 509
Total allowance for loan losses | 1,049 | 1,083 | 1,453 | 3,400 | 1,453 | 740
Loans receivable, gross: Individually evaluated for impairment |  |  |  |  | 269 | 231
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  | 94,615 | 60,746
Total loans receivable, gross |  |  |  |  | 94,884 | 60,977
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  | 231 | 231
Consumer Portfolio Segment [Member] |  |  |  |  |  |
Balance | 583 | 609 | 641 | 677 |  |
Charge-offs | (13) | (1) | (13) | (2) |  |
Recoveries | 0 |  | 0 | 1 |  |
Provisions (credits) | 23 | (77) | (35) | (145) |  |
Balance | 593 | 531 | 593 | 531 |  |
Allowance for loan losses: Collectively evaluated for impairment |  |  |  |  | 593 | 641
Total allowance for loan losses | 583 | 609 | 593 | 531 | 593 | 641
Loans receivable, gross: Individually evaluated for impairment |  |  |  |  | 540 | 542
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  | 94,290 | 100,907
Total loans receivable, gross |  |  |  |  | 94,830 | 101,449
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  | 0 | 0
Construction Portfolio Segment [Member] |  |  |  |  |  |
Balance | 591 | 650 | 712 | 486 |  |
Charge-offs | 0 | 0 | 0 | 0 |  |
Recoveries | 0 | 0 | 0 | 0 |  |
Provisions (credits) | (101) | (481) | (222) | (317) |  |
Balance | 490 | 169 | 490 | 169 |  |
Allowance for loan losses: Collectively evaluated for impairment |  |  |  |  | 490 | 712
Total allowance for loan losses | 591 | 650 | 490 | 169 | 490 | 712
Loans receivable, gross: Individually evaluated for impairment |  |  |  |  | 0 | 0
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  | 49,222 | 53,895
Total loans receivable, gross |  |  |  |  | 49,222 | 53,895
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  | 0 | 0
Construction to Permanent Portfolio Segment [Member] |  |  |  |  |  |
Balance | 77 | 121 | 69 | 123 |  |
Charge-offs | 0 | 0 | 0 | 0 |  |
Recoveries | 0 | 0 | 0 | 0 |  |
Provisions (credits) | (4) | 24 | 4 | 22 |  |
Balance | 73 | 145 | 73 | 145 |  |
Allowance for loan losses: Collectively evaluated for impairment |  |  |  |  | 73 | 69
Total allowance for loan losses | 77 | 121 | 73 | 145 | 73 | 69
Loans receivable, gross: Individually evaluated for impairment |  |  |  |  | 0 | 0
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  | 7,665 | 7,593
Total loans receivable, gross |  |  |  |  | 7,665 | 7,593
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  | 0 | 0
Unallocated Financing Receivables [Member] |  |  |  |  |  |
Balance | 126 | 217 | 126 | 219 |  |
Charge-offs | 0 | 0 | 0 | 0 |  |
Recoveries | 0 | 0 | 0 | 0 |  |
Provisions (credits) | (50) | (195) | (50) | (197) |  |
Balance | 76 | 22 | 76 | 22 |  |
Allowance for loan losses: Collectively evaluated for impairment |  |  |  |  | 76 | 126
Total allowance for loan losses | $ 126 | $ 217 | $ 76 | $ 22 | 76 | 126
Loans receivable, gross: Individually evaluated for impairment |  |  |  |  | 0 | 0
Loans receivable, gross: Collectively evaluated for impairment |  |  |  |  | 0 | 0
Total loans receivable, gross |  |  |  |  | 0 | 0
Allowance for loan losses: Individually evaluated for impairment |  |  |  |  | $ 0 | $ 0

X
- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: 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(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance 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 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 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(d)) -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 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 + Details
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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes 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 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 + Details
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