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Note 1 - Organization and Summary of Significant Accounting Policies (Detail) - Property and Equipment - Useful Lives | 12 Months Ended
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Dec. 31, 2012
Machinery and Equipment [Member] | Minimum [Member] |
Property and Equipment | 3 years
Machinery and Equipment [Member] | Maximum [Member] |
Property and Equipment | 5 years
Furniture and Fixtures [Member] | Minimum [Member] |
Property and Equipment | 5 years
Furniture and Fixtures [Member] | Maximum [Member] |
Property and Equipment | 7 years
Leasehold Improvements [Member] | Minimum [Member] |
Property and Equipment | 1 year
Leasehold Improvements [Member] | Maximum [Member] |
Property and Equipment | 5 years
Building [Member] |
Property and Equipment | 39 years

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration