Schedule of Investments (USD $)	Jun. 30, 2011	Dec. 31, 2010
Historical cost	$ 288,316	$ 244,959
Fair value	11,616,313	8,709,974
Cash and other assets, less liabilities	(85,916)	(2,881,078)
Net asset value at June 30, 2011 and December 31, 2010	$ 11,530,397	$ 5,829,470