Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (USD $) In Thousands, except Share data	Total	Voting Common Shares-No Par [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Deficit [Member]
BALANCE at Dec. 31, 2014	$ 14,130	$ 165,386	$ 7,972		$ (159,228)
BALANCE, Shares at Dec. 31, 2014		22,764,353
Stock based compensation expense	178		178
Proceeds from exercise of stock options	3	3
Proceeds from exercise of stock options, Shares		1,596
Cumulative translation adjustment	(32)			(32)
Net loss	(4,133)				(4,133)
BALANCE at Mar. 31, 2015	$ 10,146	$ 165,389	$ 8,150	$ (32)	$ (163,361)
BALANCE, Shares at Mar. 31, 2015		22,765,949