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Note 3 - Business Combinations (Details Textual) |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
May 10, 2018 USD ($) | Feb. 06, 2018 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) | Dec. 31, 2017 USD ($)
Assets, Total |  |  | $ 930,235,000 | $ 930,235,000 |  | $ 852,080,000
Marketable Securities, Total |  |  | 28,432,000 | 28,432,000 |  | 30,026,000
Deposits, Total |  |  | 712,312,000 | 712,312,000 |  | 637,439,000
Goodwill, Ending Balance |  |  | 2,100,000 | 2,100,000 |  |
Debt Securities, Available-for-sale, Realized Gain (Loss), Total |  |  |  |  | $ (78,000) |
Securities Acquired in Business Acquisition [Member] |  |  |  |  |  |
Debt Securities, Available-for-sale, Realized Gain (Loss), Total | $ 0 |  |  |  |  |
Prime Bank [Member] |  |  |  |  |  |
Business Combination, Acquisition Related Costs |  |  |  | $ 383,000 |  |
Goodwill, Ending Balance | 2,100,000 |  |  |  |  |
Business Combination, Initial Cash Purchase Price | 5,890,000 |  |  |  |  |
Business Combination, Final Estimated Purchase Price | 1,000,000 |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Total | 1,761,000 |  |  |  |  |
Payments to Acquire Businesses, Gross | 5,596,000 |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Total | $ 56,095,000 |  |  |  |  |
Prime Bank [Member] | Core Deposits [Member] |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 10 years |  |  |  |  |
Prime Bank [Member] | Securities Acquired in Business Acquisition [Member] |  |  |  |  |  |
Debt Securities, Available-for-sale, Realized Gain (Loss), Total | $ 0 |  |  |  |  |
Prime Bank [Member] | Measurement Input, Account Balance Growth Rate [Member] |  |  |  |  |  |
Core Deposit, Measurement Input | 0.03 |  |  |  |  |
Hana SBL [Member] |  |  |  |  |  |
Business Combination, Acquisition Related Costs |  |  | $ 313,000 |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans and Servicing Rights |  | $ 120,000,000 |  |  |  |
Business Combination, Servicing Rights Purchased, Loan Amount |  | 370,000,000 |  |  |  |
Payments to Acquire Businesses, Gross |  | 83,000,000 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Total |  | 41,000,000 |  |  |  |
Prime Bank [Member] |  |  |  |  |  |
Assets, Total | $ 65,000,000 |  |  |  |  |
Marketable Securities, Total | 36,000,000 |  |  |  |  |
Loans Payable, Total | 23,000,000 |  |  |  |  |
Deposits, Total | $ 46,000,000 |  |  |  |  |
Hana SBL [Member] |  |  |  |  |  |
SBA 7 (a) Loan Amount Originated |  | $ 1,000,000,000 |  |  |  |

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- Definition The final estimated cash outflow associated with the acquisition of business during the period. + References No definition available. + Details
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- Definition The initial cash purchase price associated with the acquisition of business during the period. + References No definition available. + Details
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- Definition Represents the amount of loans and servicing rights assumed at the acquisition date. + References No definition available. + Details
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- Definition Represents the amount of loans on which the servicing right is purchased in the business acquisition transaction. + References No definition available. + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460 + Details
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- Definition Amount of liabilities assumed at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563 + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)(a)(2)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Amount of investment in marketable security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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