CHANGE IN WORKING CAPITAL (Details) (USD $)	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
CHANGE IN WORKING CAPITAL
Decrease in accounts receivable and other	$ 200,000	$ 1,200,000
(Decrease)/increase in accounts payable and accrued liabilities	(1,500,000)	2,400,000
Increase in accrued interest	4,800,000	1,000,000
Change in working capital	3,500,000	4,600,000
Decrease in investing working capital		100,000
Decrease in operating working capital	$ 3,500,000	$ 4,500,000