Note 7 - Common Stock Issuance (Detail) (USD $)	0 Months Ended		1 Months Ended		3 Months Ended	6 Months Ended
	May 04, 2012	Apr. 30, 2012	Apr. 17, 2012	Apr. 30, 2012	Jul. 31, 2012	Jun. 30, 2012	Jun. 30, 2011
Stock Issued During Period, Shares, New Issues	196,635	103,585	93,050		393,600	196,635,000
Sale of Stock, Price Per Share (in Dollars per share)		$ 16	$ 16	$ 16	$ 17
Proceeds from Issuance of Common Stock (in Dollars)		$ 1,657,360	$ 1,488,800			$ 2,329,000	$ 716,000
Payments of Stock Issuance Costs (in Dollars)				$ 816,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)						16