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Property And Equipment | 3 Months Ended
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Mar. 31, 2015
Property And Equipment [Abstract] |
Property And Equipment | (4) Property and Equipment Property and equipment at March 31, 2015 and December 31, 2014 were as follows:
(in thousands) | 2015 |  | 2014 |  | Useful Life (in years)
Land | $ | 541 |  | $ | 541 |  | N/A
Building |  | 9,373 |  |  | 9,370 |  | 25
Machinery and equipment |  | 93,467 |  |  | 84,443 |  | 3-7
Capitalized software |  | 3,853 |  |  | 3,693 |  | 3-5
Office furniture and equipment |  | 4,566 |  |  | 3,478 |  | 3-5
Leasehold improvements |  | 14,561 |  |  | 12,447 |  | Life of lease (a)
Rental equipment |  | 498 |  |  | 557 |  | 5
Construction in progress |  | 11,866 |  |  | 20,082 |  | N/A
Total property and equipment |  | 138,725 |  |  | 134,611 |  |
Less: Accumulated depreciation and amortization |  | (55,988) |  |  | (52,730) |  |
Total property and equipment, net | $ | 82,737 |  | $ | 81,881 |  |
| (a) |  | Leasehold improvements are amortized on a straight-line basis over the shorter of (i) their estimated useful lives and (ii) the estimated or contractual life of the related lease.
Depreciation and amortization expense on property and equipment for the quarters ended March 31, 2015 and 2014 was $4,709 and $3,036 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 360 -SubTopic 10 -Section 50 -Paragraph 1 -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 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 3: 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=6360339&loc=d3e1361-107760 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 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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