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Property And Equipment | 12 Months Ended
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Dec. 31, 2017
Property And Equipment [Abstract] |
Property And Equipment | Note 5 Property and Equipment ﻿ Property and equipment at December 31, 2017 and 2016 are summarized as follows: ﻿
﻿ |  |  |  |  |  |  |
﻿(in thousands) | 2017 |  | 2016 |  | Useful Life (in years)
﻿Land | $ | 903 |  | $ | 903 |  | N/A
﻿Building |  | 11,276 |  |  | 11,122 |  | 25-30
﻿Machinery and equipment |  | 134,666 |  |  | 108,826 |  | 2-7
﻿Capitalized software |  | 8,834 |  |  | 8,651 |  | 3-5
﻿Office furniture and equipment |  | 4,677 |  |  | 3,130 |  | 1-5
﻿Leasehold improvements |  | 29,503 |  |  | 24,423 |  | Life of lease (a)
﻿Construction in progress |  | 13,527 |  |  | 7,760 |  | N/A
﻿Total property and equipment |  | 203,386 |  |  | 164,815 |  |
﻿Less: Accumulated depreciation and amortization |  | (105,865) |  |  | (84,837) |  |
﻿Total property and equipment, net | $ | 97,521 |  | $ | 79,978 |  |
﻿
| (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.
﻿ The Company includes all depreciation from assets attributable to the generation of revenue in the Cost of Sales line item in the statement of operations. Depreciation related to assets that are not attributable to the generation of revenue are included in the Research and Development and Selling and General Administrative line items in the statement of operations. Depreciation expense on property and eq uipment for the years ended 2017, 2016 and 2015 was $25,561, $24,331 and $20,979, respectively. ﻿ For the years ended December 31, 2017, 2016 and 2015, the Company recognized impairment charges of $636, $7,408, and $614, respectively, on property and equipment, net. The charges taken in 2016 were in connection with our updated strate gy and project reprioritization.

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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=64827811&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=64862545&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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