8. STOCK OPTIONS (Detail) - (Table 1) Stock option activity (Options, USD $)	9 Months Ended
	Sep. 30, 2013
Options
Options
Outstanding at January 1, 2013	102,100
Granted	17,700
Exercised	(89,100)
Outstanding at September 30, 2013	30,700
Weighted average excercise price
Outstanding at January 1, 2013	$ 4.99
Granted	$ 18.35
Exercised	$ 5.02
Outstanding at September 30, 2013	$ 12.61