Note 13 - Capital stock (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Stock by Class [Table Text Block]

	Preferred Shares				Subordinate Voting Shares				Multiple Voting Shares					Total Common Shares
	Number		Amount		Number		Amount		Number		Amount			Number		Amount
Balance, December 31, 2011		5,622,634	$	140,561		28,615,560	$	110,448		1,325,694		$	373		29,941,254		$	110,821
Balance, December 31, 2012		5,230,634	$	130,762		28,744,410	$	118,448		1,325,694		$	373		30,070,104		$	118,821