CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parentheticals) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.006	$ 0.006
Common stock, shares authorized	180,000,000us-gaap_CommonStockSharesAuthorized	180,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	25,642,904us-gaap_CommonStockSharesIssued	25,523,216us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	25,642,904us-gaap_CommonStockSharesOutstanding	25,523,216us-gaap_CommonStockSharesOutstanding
Statement [Line Items]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	100,000us-gaap_PreferredStockSharesAuthorized	100,000us-gaap_PreferredStockSharesAuthorized
Series C Convertible Preferred Stock ("Series C Stock")
Statement [Line Items]
Preferred stock, shares authorized	1,200
Preferred stock, shares issued	1,200	1,200
Preferred stock, shares outstanding	1,200	1,200
Preferred Stock, Liquidation Preference, Value	$ 6,000,000

Face amount or stated value per share of common stock.

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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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Value of the difference between preference in liquidation and the par or stated values of the preferred shares.

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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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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.

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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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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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