CONSOLIDATED STATEMENTS OF CHANGES IN NET ASSETS (Unaudited) (USD $) In Thousands	6 Months Ended
Sep. 30, 2011	Sep. 30, 2010
Operations:
Net investment income	$ 37	$ 2,044
Net realized gain on investments	12,439	74,545
Net decrease in unrealized appreciation of investments	(48,634)	(42,383)
Increase (decrease) in net assets from operations	(36,158)	34,206
Distributions from:
Undistributed net investment income	(1,501)	(1,497)
Capital share transactions:
Exercise of employee stock options	98	51
Stock option expense	503	468
Increase (decrease) in net assets	(37,058)	33,228
Net assets, beginning of period	539,233	486,926
Net assets, end of period	$ 502,175	$ 520,154

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Undistributed net investment income during the reporting period.

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