SHAREHOLDERS' EQUITY (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017 $ / shares shares	Jun. 30, 2016 $ / shares	Jun. 30, 2017 USD ($) $ / shares shares	Jun. 30, 2016 USD ($) $ / shares shares	Dec. 31, 2016 shares
Common stock issued | shares	312,277,000		312,277,000		299,570,000
Exercise of stock options | $			$ 47	$ 1,873
Return of capital distribution | $			$ 1,498	$ 1,491
Semi-annual return of capital payable (in dollars per share) | $ / shares	0.005	0.005	0.005	0.005
Common Stock
Shares of common stock issued upon exercise of stock options | shares			20,000	812,000
Weighted average exercise price of stock options (in dollars per share) | $ / shares			$ 2.34	$ 2.33
Exercise of stock options | $			$ 47	$ 1,873
Return of capital distribution | $			$ 1,498	$ 1,491
Share repurchase program (in shares) | shares				558,000
Lexam | Common Stock
Common stock issued | shares	12,687,035		12,687,035