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Other Assets and Liabilities (Details 1) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Accrued Expenses [Line Items]    
Accrued compensation $ 1,898 $ 1,888
Accrued social charges 1,285 1,710
Other 163 0
Total $ 3,346 $ 3,598