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Note 12 - Common Shares (Detail) (USD $)	12 Months Ended
Note 12 - Common Shares (Detail) (USD $)	Dec. 31, 2011	Dec. 31, 2010	Mar. 09, 2011	Mar. 19, 2010
Share Issued Initial Public Offering	4,025,000
Share Price (in Dollars per share)			$ 9.60	$ 8.00
Proceeds from Issuance Initial Public Offering (in Dollars)	$ 36,500,000
Stock Issued During Period, Shares, New Issues	4,025,000	8,625,000
Proceeds from Issuance of Common Stock (in Dollars)	$ 36,454,000	$ 64,881,000

The cash inflow associated with the amount received from entity's first offering of stock to the public.

The cash inflow from the additional capital contribution to the entity.

Number of new stock issued during the period.