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Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2018	Dec. 31, 2017
Convertible preferred stock, par value	$ 0.001	$ 0.001
Convertible preferred stock, shares authorized	10,000,000	10,000,000
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	200,000,000	40,000,000
Common stock, shares issued	141,634,700	6,821,792
Common stock, shares outstanding	141,634,700	6,821,792
Series A Preferred Stock [Member]
Convertible preferred stock, shares issued	0	376
Convertible preferred stock, shares outstanding	0	376
Series B Preferred Stock [Member]
Convertible preferred stock, shares issued	0	15,031
Convertible preferred stock, shares outstanding	0	15,031
Series C Preferred Stock [Member]
Convertible preferred stock, shares issued	0	12,004
Convertible preferred stock, shares outstanding	0	12,004

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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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Per share amount of par value or stated value of stock classified as temporary equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable.

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