Income taxes - (Policies)	12 Months Ended
Mar. 31, 2013
Policies
Income taxes -	d - Income taxes The Company utilizes the liability method of accounting for income taxes. Under the liability method, deferred income tax assets and liabilities are provided based on the difference between the financial statement and tax bases of assets and liabilities measured by the currently enacted tax rates in effect for the years in which these differences are expected to reverse. Deferred tax expense or benefit is the result of changes in deferred tax assets and liabilities.

Income taxes - (Policies)

12 Months Ended

Mar. 31, 2013

d - Income taxes

The Company utilizes the liability method of accounting for income taxes. Under the liability method, deferred income tax assets and liabilities are provided based on the difference between the financial statement and tax bases of assets and liabilities measured by the currently enacted tax rates in effect for the years in which these differences are expected to reverse. Deferred tax expense or benefit is the result of changes in deferred tax assets and liabilities.

- Definition

Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.

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