Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)

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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - $ / shares
Dec. 31, 2015
Jul. 31, 2015
Jun. 30, 2015
Dec. 31, 2014
Dec. 24, 2014
CONSOLIDATED STATEMENTS OF CASH FLOWS [Abstract]          
Common stock issued, net of costs (in dollars per share) $ 3.00 $ 5.50   $ 4.00 $ 4.00
Common stock , net of costs (in dollars per share) 8.00        
Common stock , net of costs (in dollars per share) 5.50        
Exercise price of warrants (in dollars per share) $ 5.00   $ 5.00