8. STOCK OPTIONS (Detail) (Table - 2) Information concerning outstanding and exercisable options (Options, USD $)	Sep. 30, 2013	Dec. 31, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Outstanding and exercisable options	30,700	102,100
Weighted Average Strike Prices	$ 12.61	$ 4.99
Strike Prices $4.80
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Outstanding and exercisable options	13,000
Weighted Average Strike Prices	$ 4.80
Strike Prices $17.84
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Outstanding and exercisable options	9,500
Weighted Average Strike Prices	$ 17.84
Strike Prices $18.89
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Outstanding and exercisable options	7,500
Weighted Average Strike Prices	$ 18.89
Strike Prices $19.50
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Outstanding and exercisable options	700
Weighted Average Strike Prices	$ 19.50