Investments in Companies Accounted for Using the Equity Method (Details) (Altoy, USD $)	12 Months Ended
	Apr. 30, 2014	Mar. 31, 2014
Investments in Companies Accounted for Using the Equity Method
Ownership percentage		49.00%
Summarized aggregated financial information
Current assets	$ 16,000
Long-term assets	36,000
Current liabilities	69,000
Operating loss	(62,000)
Net loss	(62,000)
Other assets, long-term
Investments in Companies Accounted for Using the Equity Method
Carrying value of investment	75,000
Other income
Investments in Companies Accounted for Using the Equity Method
Entity's share of net loss	$ 30,000