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Note 1 - Summary of Operations and Significant Accounting Policies (Detail) - Property, plant and equipment, estimated useful lives | 12 Months Ended
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Dec. 31, 2012
Property, Plant & Equipment |
| Buildings | 10 – 20 years
| Machinery and Equipment | 5 – 10 years
| Furniture and Fixtures | 3 – 10 years
| Computer Hardware and Software | 3 – 5 years
| Leasehold Improvements | Lesser of useful life or lease term
Building [Member] |
Property, Plant & Equipment | 10 - 20 years
Machinery and Equipment [Member] |
Property, Plant & Equipment | 5 - 10 years
Furniture and Fixtures [Member] |
Property, Plant & Equipment | 3 - 10 years
Computer Equipment [Member] |
Property, Plant & Equipment | 3 - 5 years
Leasehold Improvements [Member] |
Property, Plant & Equipment | Lesser of useful life or lease term

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- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2155824 + Details
Name: | us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration