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Note 8 - Financial Highlights (Tables)

6 Months Ended

Jun. 30, 2014

Financial Highlights [Abstract]

Financial Highlights [Table Text Block]

		Three Months Ended June 30, 2014				Six Months Ended June 30, 2014
Net asset value per Share, beginning of period		$	19.20			$	18.77

Net investment loss(a)			(0.02	)			(0.05	)
Net realized and unrealized gain(b)			0.86				1.32
Net increase in net assets from operations			0.84				1.27
Net asset value per Share, end of period		$	20.04			$	20.04

Total return, at net asset value(c)			4.38	%			6.77	%

Ratio to average net assets:
Net investment loss(d)			(0.50	)%			(0.50	)%
Expenses(d)			0.50	%			0.50	%