Long-Term Debt (Schedule of Maturities of Long-term Debt) (Details) In Thousands, unless otherwise specified	Jun. 30, 2012 USD ($)	Jun. 30, 2012 CAD	Dec. 31, 2011 USD ($)
Debt Disclosure [Abstract]
Long-term Debt, Maturities, 2012	$ 151	154
Long-term Debt, Maturities, 2013	363	370
Long-term Debt, Maturities, 2014	363	370
Long-term Debt, Maturities, 2015	363	370
Long-term Debt, Maturities, 2016	363	370
Long-term Debt, Maturities, Thereafter	2,028	2,066
Long-term Debt, Total	$ 3,631	3,700	$ 9,100