Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Common stock, par value
Common stock, shares authorized	7,000,000us-gaap_CommonStockSharesAuthorized	7,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	3,382,694us-gaap_CommonStockSharesIssued	3,317,728us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	3,382,694us-gaap_CommonStockSharesOutstanding	3,317,728us-gaap_CommonStockSharesOutstanding
Preferred stock, shares authorized	1,000,000us-gaap_PreferredStockSharesAuthorized	1,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued
Preferred Stock, shares Outstanding
Unvested shares	303,863	306,768

Face amount per share of no-par value common stock.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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