SHARE CAPITAL (Details 3)		3 Months Ended		1 Months Ended	3 Months Ended	12 Months Ended	6 Months Ended		1 Months Ended		3 Months Ended	1 Months Ended	3 Months Ended	12 Months Ended
	Jun. 30, 2012	Mar. 31, 2011 Predecessor	Jun. 30, 2012 Predecessor Stock Options and awards	Apr. 30, 2011 Predecessor Stock Options and awards Canadian dollars CADpershare	Mar. 31, 2011 Predecessor Stock Options and awards Canadian dollars	Dec. 31, 2010 Predecessor Stock Options and awards Canadian dollars CAD CADpershare	Jun. 30, 2012 Predecessor Stock Options and awards Minimum	Jun. 30, 2012 Predecessor Stock Options and awards Maximum	Apr. 30, 2011 Predecessor Award	Apr. 30, 2011 Predecessor Award Canadian dollars	Mar. 31, 2011 Predecessor Award Canadian dollars CADpershare	Apr. 30, 2011 Predecessor Award U.S. dollars USD ($)	Mar. 31, 2011 Predecessor Award U.S. dollars USD ($)	Dec. 31, 2010 Predecessor Award U.S. dollars USD ($)
Share-capital
Maximum number of shares with respect to the number of awards that may be granted under 2011 SIP	2,130,150		13,937,756
Terms of options and awards							5 years	10 years
Vesting period							2 years	4 years
Common shares issued upon exercise of awards		5,120
No. of stock options and awards
Balance, beginning of period (in shares)				3,835,350	5,275,184
Forfeited (in shares)				(3,835,350)	(1,439,834)
Balance, end of period (in sahares)					3,835,350	5,275,184
Weighted average exercise price
Balance, beginning of period (in dollars per share)				3.81	3.83
Forfeited (in dollars per share)				3.81	3.86
Balance, end of period (in dollars per share)					3.81	3.83
Weighted Average Remaining Contractual Term of Stock Options and Awards Outstanding - Years
Balance, end of period					2 years 6 months 14 days	2 years 9 months
Aggregate Intrinsic Value of Stock Options and Awards Outstanding
Balance, end of period (in dollars per share)						132
No. of Nonvested Awards
Balance, beginning of period (in shares)										1,425,756	2,225,194	1,659,275	2,044,339
Vested (in shares)										(55,362)	(239,215)	(61,572)	(370,174)
Forfeited (in shares)											(560,223)		(74,890)
Balance, end of period (in shares)										1,370,394	1,425,756	1,597,703	1,659,275	2,044,339
Weighted average grant-date fair value
Balance, beginning of period (in dollars per unit)										0.59	0.46	$ 0.63	$ 0.48
Vested (in dollars per share)										0.57	1.67	$ 0.59	$ 1.19
Forfeited (in dollars per share)											0.57		0.64
Balance, end of period (in dollars per unit)										0.59	0.59	$ 0.64	$ 0.63	$ 0.48
No. of stock options and awards
Balance, beginning of period (in shares)												3,721,625	3,890,999
Exercised (in shares)													(20,833)
Forfeited (in shares)									(3,721,625)				(148,541)
Balance, end of period (in shares)													3,721,625	3,890,999
Weighted average exercise price
Balance, beginning of period (in dollars per share)												$ 1.52	$ 1.51
Exercised (in dollars per share)													$ (0.26)
Forfeited (in dollars per share)												$ 1.52	$ 1.38
Balance, end of period (in dollars per share)													$ 1.52	$ 1.51
Weighted Average Remaining Contractual Term of Stock Options and Awards Outstanding - Years
Outstanding at the end of the period													2 years 10 months 20 days	3 years 1 month 20 days
Aggregate Intrinsic Value of Stock Options and Awards Outstanding
Balance, end of period (in dollars per share)														$ 179