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Note H - Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Intangible Assets and Goodwill [Table Text Block] |
|  | 2012 |  |  | 2011 |
|  | Historical Cost |  |  | Accumulated Amortization |  |  | Historical Cost |  |  | Accumulated Amortization |
Finite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships |  | $ | 8,366 |  |  | $ | 1,582 |  |  | $ | 5,274 |  |  | $ | 1,011 |
Technology & drawings |  |  | 5,790 |  |  |  | 1,379 |  |  |  | 4,600 |  |  |  | 1,118 |
Other intangibles |  |  | 1,560 |  |  |  | 1,453 |  |  |  | 1,557 |  |  |  | 1,413 |
Total finite-lived intangible assets |  |  | 15,716 |  |  |  | 4,414 |  |  |  | 11,431 |  |  |  | 3,542 |
Goodwill |  |  | 17,452 |  |  |  | - |  |  |  | 14,672 |  |  |  | - |
Trade names & trademarks |  |  | 3,532 |  |  |  | - |  |  |  | 2,920 |  |  |  | - |
Total |  | $ | 36,700 |  |  | $ | 4,414 |  |  | $ | 29,023 |  |  | $ | 3,542 |

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- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
Name: | us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration