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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
PREFERRED STOCK, par or stated value per share	$ 0.001us-gaap_PreferredStockParOrStatedValuePerShare	$ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
PREFERRED STOCK, shares authorized	1,000,000us-gaap_PreferredStockSharesAuthorized	1,000,000us-gaap_PreferredStockSharesAuthorized
PREFERRED STOCK, shares outstanding	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
COMMON STOCK, par value per share	$ 0.0005us-gaap_CommonStockParOrStatedValuePerShare	$ 0.0005us-gaap_CommonStockParOrStatedValuePerShare
COMMON STOCK, shares authorized	80,000,000us-gaap_CommonStockSharesAuthorized	80,000,000us-gaap_CommonStockSharesAuthorized
COMMON STOCK, shares issued	38,911,014us-gaap_CommonStockSharesIssued	38,765,201us-gaap_CommonStockSharesIssued
COMMON STOCK, shares outstanding	38,672,865us-gaap_CommonStockSharesOutstanding	38,580,602us-gaap_CommonStockSharesOutstanding
Treasury stock, shares	238,149us-gaap_TreasuryStockShares	184,599us-gaap_TreasuryStockShares

X

- Definition

Face amount or stated value per share of common stock.

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-Name Accounting Standards Codification

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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.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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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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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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