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Note 6 - Stock Repurchase Program (Detail) (USD $)
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3 Months Ended | 22 Months Ended | 23 Months Ended | 65 Months Ended | |
|---|---|---|---|---|---|
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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Dec. 31, 2010
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Jun. 30, 2012
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| Stock Repurchase Program, Authorized Amount | $ 2,000,000 | $ 3,000,000 | |||
| Stock Repurchased During Period, Shares (in Shares) | 1,000 | 5,750 | 1,925,829 | ||
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Annually [Member]
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|||||
| Stock Repurchase Program, Authorized Amount | 250,000 | ||||
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Annually per Individual [Member]
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|||||
| Stock Repurchase Program, Authorized Amount | 25,000 | ||||
| X | ||||||||||
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- Definition
Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount authorized by an entity's Board of Directors under a stock repurchase plan. No definition available.
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