SHAREHOLDERS' EQUITY (Details)	12 Months Ended
	Dec. 31, 2014 vote	Dec. 31, 2013
Shareholders' equity
Percentage of the total number of directors the holders of common stock are entitled to elect	25.00%
Percentage of the outstanding total voting power of the Company	42.50%
Common stock
Shareholders' equity
Votes per each share of stock	1
Outstanding shares	78,356,057	76,404,552
Common stock reserved	22,200,000
Class B convertible common stock
Shareholders' equity
Votes per each share of stock	10
Outstanding shares	5,789,499	5,789,499
Class B Convertible Common Stock Shares Outstanding Percent	100.00%
Board of Directors Chairman [Member] | Class B convertible common stock
Shareholders' equity
Outstanding shares	5,800,000