Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2018	Dec. 31, 2017
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	28,791,504	24,571,029
Common stock, shares outstanding	28,791,504	24,571,029
Series A Convertible Preferred Stock [Member]
Convertible preferred stock, par value	$ 0.01	$ 0.01
Convertible preferred stock, shares authorized	30,000	30,000
Convertible preferred stock, shares issued	1,401.7208	4,605.6533
Convertible preferred stock, shares outstanding	1,401.7208	4,605.6533

Face amount or stated value per share of common stock.

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