CONSOLIDATED BALANCE SHEETS(unaudited) (Parenthetical) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
CONSOLIDATED BALANCE SHEETS
Preferred stock, shares authorized	300,000us-gaap_PreferredStockSharesAuthorized	300,000us-gaap_PreferredStockSharesAuthorized	300,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued	300,000us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued
Common stock, par value (in dollars per share)	$ 0us-gaap_CommonStockNoParValue	$ 0us-gaap_CommonStockNoParValue	$ 0us-gaap_CommonStockNoParValue
Common stock, shares authorized	10,000,000us-gaap_CommonStockSharesAuthorized	10,000,000us-gaap_CommonStockSharesAuthorized	10,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	2,725,609us-gaap_CommonStockSharesIssued	2,720,098us-gaap_CommonStockSharesIssued	2,717,434us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	2,725,609us-gaap_CommonStockSharesOutstanding	2,720,098us-gaap_CommonStockSharesOutstanding	2,717,434us-gaap_CommonStockSharesOutstanding

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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