Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Accounts receivable, allowance for doubtful accounts	$ 87	$ 187
Voting Common Shares-No Par, Unlimited Shares Authorized [Member]
Common stock, par value
Common stock, shares authorized
Common stock, shares issued	22,765,949	22,764,353
Common stock, shares outstanding	22,765,949	22,764,353