Disclosure - Note 7 - Net income per share (Details 1)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Disclosure - Note 7 - Net Income Per Share Details 1
Warrant	5,378,233	0	5,378,233	0