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Sale of Real Estate (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Dec. 31, 2016
Nov. 30, 2016
May 31, 2017
Paterson NJ      
Assets held for sale      
Proceeds from the sale of property   $ 1,382  
Gain on sale of assets     $ 792
Bridgewater MA location      
Assets held for sale      
Proceeds from the sale of property $ 740    
Gain on sale of assets $ 68   $ 68