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Property, Plant & Equipment | 6 Months Ended
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Jun. 30, 2015
Property, Plant and Equipment [Abstract] |
Property, Plant & Equipment | Property, Plant & Equipment Property, plant and equipment consisted of the following at June 30, 2015 and December 31, 2014:
| June 30, 2015 |  | December 31, 2014
Property, plant and equipment | $ | 134,353,000 |  |  | $ | 119,933,000 |
Accumulated depreciation | (60,829,000 | ) |  | (57,938,000 | )
Property, plant and equipment — net | $ | 73,524,000 |  |  | $ | 61,995,000 |
Property, plant, and equipment are recorded at cost, unless obtained through acquisition, then assets are recorded at estimated fair market value at the date of acquisition. Depreciation is provided on a straight-line method over the estimated useful lives of the assets. The carrying amount of long-lived assets is evaluated annually to determine if an adjustment to the depreciation period or to the unamortized balance is warranted. Additions in progress were $1,909,000 and $979,000 at June 30, 2015 and December 31, 2014, respectively. The Company capitalized $2,000 and $45,000 of interest expense for the six months ended June 30, 2015 and 2014, respectively. At June 30, 2015 and December 31, 2014, purchase commitments for capital expenditures in progress were $1,412,000 and $1,682,000, respectively.

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + 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 210.5-02.13-14) -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 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=51717284&loc=d3e1361-107760 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=51719941&loc=d3e2921-110230 Reference 4: 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 + Details
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