INVESTMENT TAX CREDITS (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Canadian Provincial
INVESTMENT TAX CREDITS
Refundable ITCs recorded as a reduction of research and development expenditures	$ 900,000	$ 1,700,000
Favorable adjustment included in refundable ITCs resulting from a statutory audit	1,100,000	1,100,000
Canadian Federal
INVESTMENT TAX CREDITS
Non-refundable ITCs related to scientific research and development expenditures	3,907,000	4,000,000	3,100,000
Canadian Federal | 2030
INVESTMENT TAX CREDITS
Non-refundable ITCs related to scientific research and development expenditures	764,000
Canadian Federal | 2031
INVESTMENT TAX CREDITS
Non-refundable ITCs related to scientific research and development expenditures	1,000,000
Canadian Federal | 2032
INVESTMENT TAX CREDITS
Non-refundable ITCs related to scientific research and development expenditures	1,125,000
Canadian Federal | 2033
INVESTMENT TAX CREDITS
Non-refundable ITCs related to scientific research and development expenditures	$ 1,018,000