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Property, Plant and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2012
Property, Plant and Equipment [Abstract] |
Components of property, plant and equipment | Depreciation or amortization of property and equipment, including assets held under capital leases, is calculated using the straight-line method over the asset’s estimated useful life:
Buildings and leasehold |
improvements | 2-30 years
Machinery, equipment and rental |
tools | 7-10 years
Furniture and fixtures | 3 years
Transportation equipment | 2-5 years
Computer equipment and software | 3-7 years
Property and equipment are as follows (in thousands):
| December 31
| 2012 |  | 2011
Land | $ | 1,442 |  |  | $ | 1,220 |
Buildings and leasehold improvements | 18,520 |  |  | 18,401 |
Machinery, equipment and rental tools | 54,279 |  |  | 44,364 |
Equipment in progress | 9,382 |  |  | 4,048 |
Furniture and fixtures | 1,358 |  |  | 1,288 |
Transportation equipment | 5,136 |  |  | 4,853 |
Computer equipment and software | 6,743 |  |  | 1,900 |
Property and equipment | 96,860 |  |  | 76,074 |
Less accumulated depreciation | (40,361 | ) |  | (32,160 | )
Property and equipment, net | $ | 56,499 |  |  | $ | 43,914 |

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- Definition Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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