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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

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 18 -Article 5 + Details
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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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- Details
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