Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Common stock, shares authorized	7,500,000,000us-gaap_CommonStockSharesAuthorized	7,500,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	4,166,142,620us-gaap_CommonStockSharesIssued	332,321,818us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	4,166,142,620us-gaap_CommonStockSharesOutstanding	332,321,818us-gaap_CommonStockSharesOutstanding
Treasury stock, shares	2,012us-gaap_TreasuryStockShares	2,012us-gaap_TreasuryStockShares
Series C Convertible Preferred Stock [Member]
Convertible preferred stock, par value (in dollars per share)	0.01	0.01
Convertible preferred stock, shares authorized	27,000	27,000
Convertible preferred stock, shares issued	4,332	4,816
Convertible preferred stock, shares outstanding	4,332	4,816
Preferred Stock, Liquidation Preference, Value	4,332	4,816
Series D Convertible Preferred Stock [Member]
Convertible preferred stock, par value (in dollars per share)	0.01	0.01
Convertible preferred stock, shares authorized	25,000	25,000
Convertible preferred stock, shares issued	3,481	3,481
Convertible preferred stock, shares outstanding	3,481	3,481
Preferred Stock, Liquidation Preference, Value	348	348

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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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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