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Property and Equipment | 3 Months Ended
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Mar. 31, 2018
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment Disclosure [Text Block] |
2. | Property and Equipment
Property and equipment are stated at cost less accumulated depreciation and amortization (in thousands), and consist of the following:
|  | March 31, |  | December 31, |
|  | 2018 |  | 2017 |
Equipment |  | $ | 13,559 |  | $ | 13,574 |
Software |  |  | 7,700 |  |  | 7,291 |
Furniture and equipment |  |  | 2,267 |  |  | 2,276 |
Leasehold improvements |  |  | 5,331 |  |  | 5,342 |
Total |  |  | 28,857 |  |  | 28,483 |
Less: accumulated depreciation and amortization |  |  | (21,830) |  |  | (21,294) |
|  | $ | 7,027 |  | $ | 7,189 |
Depreciation and amortization expense of property and equipment was approximately $0.6 million for each of the three months ended March 31, 2018 and 2017, 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 -URI http://asc.fasb.org/topic&trid=2155823 + Details
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