Note 4 - Common Stock (Detail) (USD $)	0 Months Ended	1 Months Ended
	Jun. 04, 2009	Oct. 31, 2007 Conditional Issuance [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		300,000
Share-based Goods and Nonemployee Services Transaction, Expense (in Dollars)	$ 500,000
Share-based Goods and Nonemployee Services Transaction, Quantity of Securities Issued	59,312
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)	$ 8.43