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Equity (Tables)
6 Months Ended
Jun. 30, 2015
Changes in Capital Accounts [Abstract]  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
   Number of Shares Weighted Average Grant Date Price
 Outstanding at December 31, 2013  13,334 $ 7.50
 Granted  361,442   3.72
 Vested  (13,334)   7.50
 Outstanding at June 30, 2014  361,442 $ 3.72
 Granted  -   -
 Vested  -   -
 Outstanding at December 31, 2014  361,442 $ 3.72
 Granted  731,590   2.29
 Vested  (120,481)   3.72
 Outstanding at June 30, 2015  972,551 $ 2.64