STOCKHOLDERS' EQUITY (Details) (USD $)	0 Months Ended	12 Months Ended
	May 16, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Class of Stock [Line Items]
Shares issued in connection with public offering, net, shares	7,800,000
Stock issued in connection with initial public offering, price per share	$ 1.80
Proceeds from issuance initial public offering	$ 12,600,000
Underwriting discounts and estimated offering expenses	1,500,000
Common Stock, Shares, Outstanding		58,727,000	58,366,000
Stockholders' Equity Attributable to Parent		43,292,000	60,145,000	62,655,000	94,706,000
Accumulated other comprehensive income:
Cumulative translation adjustment		20,978,000	20,466,000
Unrealized investment gain, net of tax		29,000	6,000
Accumulated other comprehensive income		21,007,000	20,472,000
Percentage of one preferred stock to purchase of each Right		0.001
Exercise price of each Right		55.00
Percentage of common stock acquired by a person or group for share purchase right to become exerciseable		15.00%
Redemption price of each Right		$ 0.001
Number of common stock in exchange of each Right		1
Discount of rights to purchase common stock of acquiror		50.00%
Share purchase rights outstanding		50,000,000
Treasury Stock
Class of Stock [Line Items]
Shares, Outstanding		(4,181,000)	(4,181,000)	(4,181,000)	(4,181,000)
Stockholders' Equity Attributable to Parent		$ (37,986,000)	$ (37,986,000)	$ (37,986,000)	$ (37,986,000)