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Note 1 - Description of Business (Detail) | Dec. 31, 2012 acre
--- | ---
Area of Land | 45,000
Agricultural [Member] |
Area of Land | 34,000
Land for Underground Aquifer [Member] |
Area of Land | 9,600

X
- Definition Area of land held. + References No definition available. + Details
Name: | us-gaap_AreaOfLand
Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant