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Product Warranty (Details Textual) - USD ($) $ in Thousands | 9 Months Ended |
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Sep. 30, 2015 | Dec. 31, 2014
Product Warranty (Textual) [Abstract] |  |
Accrued product warranty costs | $ 1,703 | $ 1,853
Minimum |  |
Product Warranty (Textual) [Abstract] |  |
Limited warranty period on product | 1 year |
Maximum |  |
Product Warranty (Textual) [Abstract] |  |
Limited warranty period on product | 4 years |

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- Definition Limited product warranty period. + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(5)) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9 + Details
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