v2.4.0.8

F. INTANGIBLE ASSETS (Tables) | 12 Months Ended
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Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible assets | At December 31, 2013 and 2012, intangible assets consisted of the following:
|  | 2013 |
|  | Gross Amount |  |  | Accumulated amortization |  |  | Intangible assets, net |
|  | (in thousands) |
Patents |  | $ | 1,632 |  |  | $ | (784 | ) |  | $ | 848 |
Trademarks |  |  | 10 |  |  |  | (7 | ) |  |  | 3 |
Total tangible assets |  |  | 1,642 |  |  |  | (791 | ) |  |  | 851 |
|  | 2012 |
|  | Gross Amount |  |  | Accumulated amortization |  |  | Intangible assets, net |
|  | (in thousands) |
Patents |  | $ | 1,509 |  |  | $ | (718 | ) |  | $ | 791 |
Trademarks |  |  | 10 |  |  |  | (6 | ) |  |  | 4 |
Total tangible assets |  |  | 1,519 |  |  |  | (724 | ) |  |  | 795 |
Amortization expense for intangible assets | At December 31, 2013, approximate amortization expense for intangible assets was as follows (in thousands):
2014 |  | $ | 68 |
2015 |  |  | 68 |
2016 |  |  | 68 |
2017 |  |  | 68 |
2018 |  |  | 68 |
Thereafter |  |  | 511 |
|  | $ | 851 |

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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