XML 74 R59.htm IDEA: XBRL DOCUMENT v2.4.0.8
Business Segment Information - Property and Equipment Additions, Depreciation and Amortization and Identifiable Assets (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Segment Reporting Information [Line Items]          
Property and equipment additions $ 297 $ 102 $ 533 $ 234  
Depreciation and amortization 1,888 300 3,201 910  
Identifiable Assets 353,636   353,636   94,104
Engineered Equipment Technology and Parts [Member]
          
Segment Reporting Information [Line Items]          
Property and equipment additions 251 57 434 109  
Depreciation and amortization 909 146 1,960 445  
Identifiable Assets 127,653   127,653   60,516
Met-Pro [Member]
          
Segment Reporting Information [Line Items]          
Property and equipment additions              
Depreciation and amortization 849   849    
Identifiable Assets 205,201   205,201    
Contracting / Services [Member]
          
Segment Reporting Information [Line Items]          
Property and equipment additions 7 14 28 44  
Depreciation and amortization 51 53 155 163  
Identifiable Assets 6,230   6,230   8,055
Component Parts [Member]
          
Segment Reporting Information [Line Items]          
Property and equipment additions 39 21 71 59  
Depreciation and amortization 46 48 139 144  
Identifiable Assets 6,037   6,037   5,573
Corporate [Member]
          
Segment Reporting Information [Line Items]          
Property and equipment additions   10   22  
Depreciation and amortization 33 53 98 158  
Identifiable Assets $ 8,515   $ 8,515   $ 19,960