Unaudited Interim Condensed Consolidated Balance Sheets (Parentheticals) - $ / shares	Jun. 30, 2019	Dec. 31, 2018
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	20,000,000	20,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, shares outstanding (in shares)	1,542,355	1,150,873
Common stock, shares issued (in shares)	1,542,355	1,150,873
Series D Preferred Stock [Member]
Preferred stock, shares outstanding (in shares)	100,000	100,000
Preferred stock, shares issued (in shares)	100,000	100,000
Series E Preferred Stock [Member]
Preferred stock, shares outstanding (in shares)	28,158	0
Preferred stock, shares issued (in shares)	28,158	0

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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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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