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Other Assets (Tables)
 9 Months Ended
Sep. 30, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Assets
(in thousands)  September 30,  December 31,
   2015  2014
Deferred offering costs RMB Loan  $—     $126 
Furniture and Fixtures, net of accumulated depreciation   43    51 
Other assets   4    4 
DHI Loan   191    —   
Total other assets  $238   $181