Note 21 - Condensed Parent Company Only Financial Statements (Details) - Condensed Statements of Cash Flows (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Condensed Cash Flow Statements, Captions [Line Items]
Net Income (loss)	$ 15,709,000us-gaap_NetIncomeLoss	$ (7,289,000)us-gaap_NetIncomeLoss	$ (536,000)us-gaap_NetIncomeLoss
Supplemental Disclosures of Cash Flow Information
Cash paid for interest	4,191,000us-gaap_InterestPaid	4,706,000us-gaap_InterestPaid	7,127,000us-gaap_InterestPaid
Adjustments to reconcile net income (loss) to net cash (used in) operating activities:
Share-based compensation expense	275,000us-gaap_ShareBasedCompensation	131,000us-gaap_ShareBasedCompensation	306,000us-gaap_ShareBasedCompensation
Change in assets and liabilities:
(Increase) decrease in other assets	481,000	737,000	(160,000)
(Decrease) increase in accrued expenses and other liabilities	(1,347,000)	(1,637,000)	858,000
Cash Flows from Investing Activities
Net (decrease) increase in cash and cash equivalents	38,392,000	(36,148,000)	15,589,000
Cash and cash equivalents at beginning of year	34,866,000	71,014,000	55,425,000
Cash and cash equivalents at end of year	73,258,000	34,866,000	71,014,000
Parent Company [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net Income (loss)	15,709,000	(7,289,000)	(536,000)
Supplemental Disclosures of Cash Flow Information
Cash paid for interest	1,704,000
Adjustments to reconcile net income (loss) to net cash (used in) operating activities:
Equity in undistributed (income) loss of subsidiaries	(16,304,000)	6,601,000	(472,000)
Share-based compensation expense	275,000	131,000	306,000
Change in assets and liabilities:
(Increase) decrease in other assets	(30,000)	85,000	(68,000)
(Decrease) increase in accrued expenses and other liabilities	(1,084,000)	323,000	187,000
Net cash (used in) operating activities	(1,434,000)	(149,000)	(583,000)
Cash Flows from Investing Activities
Net investment provided by (used in) bank subsidiary	95,000	(500,000)
Net cash provided by (used in) investing activities	95,000	(500,000)
Net (decrease) increase in cash and cash equivalents	(1,339,000)	(649,000)	(583,000)
Cash and cash equivalents at beginning of year	1,734,000	2,383,000	2,966,000
Cash and cash equivalents at end of year	$ 395,000	$ 1,734,000	$ 2,383,000

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.

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This element represents the undistributed income (or loss) of equity method investments, net of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporations; such investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities.

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The increase (decrease) during the reporting period in the aggregate amount of accrued expenses and other operating obligations not separately disclosed in the statement of cash flows.

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The increase (decrease) during the reporting period in other assets used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current assets, other noncurrent assets, or a combination of other current and noncurrent assets.

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The amount of cash paid for interest during the period.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity).

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