Consolidated Statements Of Shareholders' Equity (USD $) In Thousands, except Share data	Common Shares [Member]	Additional Paid-In Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance, value at Dec. 31, 2009	$ 99,584	$ 4,264	$ 29,281	$ 2,658	$ 135,787
Balance, shares at Dec. 31, 2009	16,266,441
Shares issued upon exercise of employee stock options, value	73				73
Shares issued upon exercise of employee stock options, shares	33,000
Net income (loss)			2,761		2,761
Other comprehensive income (loss)				1,197	1,197
Share-based compensation		430			430
Balance, value at Sep. 30, 2010	99,657	4,694	32,042	3,855	140,248
Balance, shares at Sep. 30, 2010	16,299,441
Balance, value at Dec. 31, 2010	99,658	4,838	(10,901)	5,252	98,847
Balance, shares at Dec. 31, 2010	16,300,041
Shares issued upon exercise of employee stock options, value	88	(5)			83
Shares issued upon exercise of employee stock options, shares	31,200
Net income (loss)			(5,941)		(5,941)
Other comprehensive income (loss)				(1,218)	(1,218)
Share-based compensation		376			376
Balance, value at Sep. 30, 2011	$ 99,746	$ 5,209	$ (16,842)	$ 4,034	$ 92,147
Balance, shares at Sep. 30, 2011	16,331,241