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Note 20 - Segment Information (Details) - Financial Information From Reportable Segments - Balance Sheet (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Segment Reporting Information [Line Items] |  |
Assets | $ 146,283 | $ 160,968
Liabilities | 90,031 | 98,035
Industrial Group [Member] |  |
Segment Reporting Information [Line Items] |  |
Assets | 100,593 | 114,268
Liabilities | 54,232 | 66,679
Electronics Group [Member] |  |
Segment Reporting Information [Line Items] |  |
Assets | 29,689 | 38,852
Liabilities | 9,216 | 11,063
General, Corporate and Other [Member] |  |
Segment Reporting Information [Line Items] |  |
Assets | 16,001 | 7,848
Liabilities | $ 26,583 | $ 20,293

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + 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 210.5-02.18) -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 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 18 -Article 5 + Details
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