Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Expenses from sale of common stock $ 2,115  
Common Stock [Member]    
Expenses from sale of common stock $ 2,115 $ 2,824