Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment (Details Textual)

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Property and Equipment (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Property, Plant and Equipment [Abstract]        
Amount of depreciation of property and equipment recognized $ 833 $ 71 $ 1,666 $ 142