Note 4 (Detail) - Stock Options Outstanding (USD $)	9 Months Ended
	Sep. 30, 2012
Outstanding at beginning of year	30,328
Outstanding at beginning of year (in Dollars per share)	$ 1.83
Granted	0
Granted (in Dollars per share)	$ 0.00
Forfeited	0
Forfeited (in Dollars per share)	$ 0.00
Exercised	(11,397)
Exercised (in Dollars per share)	$ 1.56
Outstanding, September 30, 2012	18,931
Outstanding, September 30, 2012 (in Dollars per share)	$ 2.00
Outstanding, September 30, 2012	1 year 36 days
Outstanding, September 30, 2012 (in Dollars)	$ 5,000
Exercisable, September 30, 2012	18,931
Exercisable, September 30, 2012 (in Dollars per share)	$ 2.00
Exercisable, September 30, 2012	1 year 36 days
Exercisable, September 30, 2012 (in Dollars)	$ 5,000