Stock Option and bonus plans (Tables)

12 Months Ended

Mar. 31, 2014

Accounting Policies [Abstract]

Stock options summary

	Number			Weighted average exercise
	of options			price
Balance, March 31, 2012		452,500		$	2.61
Expired		(342,500	)	$	1.61
Balance, March 31, 2013		110,000		$	5.71
Expired		(40,000	)	$	6.12
Balance, March 31, 2014		70,000		$	5.47

Information regarding stock options

				Weighted
		Number		average		Exercisable
Weighted average		outstanding at		remaining life		shares at
exercise price		March 31, 2014		(years)		March 31, 2014
	$4.50		30,000		1.8		30,000
	$6.20		40,000		0.5		40,000
	$5.47		70,000		1.0		70,000