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SUMMARY OF PER SHARE INFORMATION (Tables) | 3 Months Ended
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Jun. 30, 2012
SUMMARY OF PER SHARE INFORMATION [Abstract] |
Summary of per share data | The following presents a summary of per share data for the three months ended June 30, 2012 and 2011.
|  | Three Months Ended June 30, |
Per Share Data |  | 2012 |  |  | 2011 |
Investment income |  | $ | .38 |  |  | $ | .32 |
Operating expenses |  |  | (.37 | ) |  |  | (.31 | )
Income taxes |  |  | (.01 | ) |  |  | (.01 | )
Net investment income |  |  | .00 |  |  |  | .00 |
Distributions from undistributed net investment income |  |  | (.40 | ) |  |  | (.40 | )
Net realized gain net of tax |  |  | 17.61 |  |  |  | (1.58 | )
Net decrease in unrealized appreciation of investments |  |  | (20.67 | ) |  |  | (1.21 | )
Distribution from Undistributed net realized gains |  |  | (17.59 | ) |  |  | - |
Capital Share transactions: |  |  |  |  |  |  |  |
Exercise of employee stock options |  |  | (0.74 | ) |  |  | - |
Stock option expense |  |  | .07 |  |  |  | .07 |
Decrease in net asset value |  |  | (21.72 | ) |  |  | (3.12 | )
Net asset value |  |  |  |  |  |  |  |
Beginning of period |  |  | 167.45 |  |  |  | 143.68 |
End of period |  | $ | 145.73 |  |  | $ | 140.56 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
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