Consolidated Statements of Cash Flows (Unaudited) (Under Creditor Protection Proceedings as of November 29, 2011 - note 1) (USD $) In Thousands, unless otherwise specified	9 Months Ended		166 Months Ended
	Jan. 31, 2012	Jan. 31, 2011	Jan. 31, 2012
Operating Activities
Net loss	$ (14,540)	$ (35,777)	$ (733,669)
Non-cash adjustments to net loss
Stock-based compensation	128	1,017	148,247
Deferred income tax benefit	0	(4,916)	(133,386)
Depreciation and accretion	3,827	3,290	13,902
Asset retirement obligation expensed	537	8,546	25,408
Impairment of property and equipment	40	7,329	346,703
Other non-cash items	633	0	2,418
Asset retirement expenditures	0	(4,431)	(4,585)
Net lease expenditures	(154)	0	(154)
Changes in Non-Cash Working Capital
Accounts receivable and prepaid expenses	(343)	403	(1,095)
Accounts payable and accrued liabilities	(1,491)	1,050	9,126
Cash Used in Operating Activities	(11,363)	(23,489)	(327,085)
Investing Activities
Property and equipment expenditures	(1,983)	(2,832)	(86,193)
Proceeds on sale of equipment	82	0	82
Restricted cash	(523)	(937)	(2,385)
Other investments	0	0	(548)
Cash Used in Investing Activities	(2,424)	(3,769)	(89,044)
Financing Activities
Issuance of shares for cash, net of issue costs	0	29,548	398,396
Shares issued on exercise of subsidiary options and warrants	0	212	4,505
Shares issued by subsidiary to non-controlling interest	0	0	7,664
Convertible debentures	0	0	8,384
Cash Provided by Financing Activities	0	29,760	418,949
Inflow (Outflow) of cash and cash equivalents	(13,787)	2,502	2,820
Effects of exchange rate changes on cash and cash equivalents	(408)	(181)	(1,031)
Cash and cash equivalents, Beginning of Period	15,984	18,642	0
Cash and cash equivalents, End of Period	1,789	20,963	1,789
Supplemental disclosures of cash flow information:
Cash paid for reorganization expenses (note 13)	28	0	28
Changes in non-cash working capital related to reorganization expenses (note 13)	243	0	243
Non-Cash Financing Activities
Common stock issued for properties	0	0	10,848
Warrants issued for properties	0	0	1,764
Common stock issued for services	0	0	10,505
Common stock issued for debt settlement	$ 0	$ 0	$ 28,401