v2.4.1.9

Property and Equipment | 12 Months Ended
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Dec. 31, 2014
Property and Equipment [Abstract] |
Property, Plant and Equipment Disclosure [Text Block] | 5. PROPERTY AND EQUIPMENT
| December 31,
| 2014 |  | 2013
Computer equipment and software | $ | 27,678 |  |  | $ | 25,368 |
Engineering and test equipment | 11,970 |  |  | 11,631 |
Building and improvements | 11,076 |  |  | 7,902 |
Leasehold improvements | 7,406 |  |  | 6,477 |
Furniture and fixtures | 1,292 |  |  | 1,166 |
Land | 695 |  |  | 695 |
Property and equipment, gross | 60,117 |  |  | 53,239 |
Less: accumulated depreciation | (47,571 | ) |  | (43,704 | )
Property and equipment, net | $ | 12,546 |  |  | $ | 9,535 |
Depreciation expense was $3.9 million, $3.6 million and $3.6 million in 2014, 2013 and 2012, respectively. Depreciation expense included depreciation of computer software costs of $1.4 million, $1.0 million and $1.0 million in 2014, 2013 and 2012, respectively. Accumulated depreciation related to computer software costs was $14.3 million and $12.7 million at December 31, 2014 and 2013, respectively. The net book value of our computer software was $2.2 million and $2.5 million at December 31, 2014 and 2013, 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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