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SUMMARY OF PER SHARE INFORMATION (Tables)
6 Months Ended
Sep. 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  and six months ended September 30, 2012 and 2011.

 
Three Months Ended
September 30,
 
 
Six Months Ended
September 30
 
Per Share Data
 
2012
 
 
2011
 
 
2012
 
 
2011
 
Investment income
 
$
.35
 
 
$
.34
 
 
$
.74
 
 
$
.65
 
Operating expenses
 
 
(.37
)
 
 
(.32
)
 
 
(.75
)
 
 
(.63
)
Income taxes
 
 
(.01
)
 
 
(.01
)
 
 
(.01
)
 
 
(.01
)
Net investment income
 
 
(.03
)
 
 
.01
 
 
 
(.02
)
 
 
.01
 
Distributions from undistributed net investment income
 
 
 
 
 
 
 
 
(18.00
)
 
 
(.40
)
Net realized gain  net of tax
 
 
 
 
 
4.88
 
 
 
17.62
 
 
 
3.31
 
Net increase (decrease) in unrealized appreciation of investments
 
 
13.26
 
 
 
(11.74
)
 
 
(7.43
)
 
 
(12.95
)
Exercise of employee stock options
 
 
 
 
 
(.03
)
 
 
(.74
)
 
 
(.03
)
Stock option expense
 
 
 
 
 
.07
 
 
 
.08
 
 
 
.13
 
Other*                                           
 
 
(.31
)
 
 
 
 
 
(.31
)
 
 
 
Increase (decrease) in net asset value
 
 
12.92
 
 
 
(6.81
)
 
 
(8.8
)
 
 
(9.93
)
Net asset value
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Beginning of period                                      
 
 
145.73
 
 
 
140.56
 
 
 
167.45
 
 
 
143.68
 
End of period                                      
 
$
158.65
 
 
$
133.75
 
 
$
158.65
 
 
$
133.75
 

*Reflects impact of the different share amounts as a result of issuance or forfeiture of restricted stock during the period.