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Note 9 - Shareholders' Equity (Detail) (USD $)
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Jun. 30, 2012
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Jun. 30, 2011
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Nov. 21, 2002
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|---|---|---|---|
| Preferred Stock, Shares Authorized | 1,055,000 | 1,055,000 | |
| Stock Repurchase Program, Number of Shares Authorized to be Repurchased | 2,000,000 | ||
| Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased | 1,100,000 | ||
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Common Class A [Member]
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| Common Stock, Shares Authorized | 150,000,000 | 150,000,000 | |
| Common Stock, Par or Stated Value Per Share (in Dollars per share) | 0.01 | 0.01 | |
|
Common Class B [Member]
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| Common Stock, Shares Authorized | 600,000 | 600,000 | |
| Common Stock, Par or Stated Value Per Share (in Dollars per share) | 0.01 | 0.01 | |
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Series A Preferred Stock [Member]
|
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| Preferred Stock, Shares Authorized | 30,000 | ||
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Series B Preferred Stock [Member]
|
|||
| Preferred Stock, Shares Authorized | 30,000 | ||
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Series C Preferred Stock [Member]
|
|||
| Preferred Stock, Shares Authorized | 155,010 | ||
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Series D Preferred Stock [Member]
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| Preferred Stock, Capital Shares Reserved for Future Issuance | 839,990 |