Financial instruments (Narrative) (Details)	3 Months Ended
May. 31, 2015 USD ($)	May. 31, 2015 CAD	Nov. 30, 2014 USD ($)
Accounts receivable	$ 104,000		$ 176,000
Change in foreign exchange rate	10.00%	10.00%
Interest rate loss	$ 0
Approximations [Member]
Foreign currency net loss	$ 60,000
Canadian Limit Due to Currency Risk [Member]
Cash \| CAD		CAD 55,000
Accounts receivable \| CAD		32,000
Accounts payable \| CAD		CAD 912,000

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- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

+ References

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Glossary Cash

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- Definition

Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

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- Definition

The net gain (loss) recognized in earnings during the period due to the ineffectiveness on interest rate fair value hedges.

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