Significant Accounting Policies (Exchange Rates) (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Canadian Dollar [Member]
Currency [Line Items]
Ending rates	1.3840	1.1601
Average Rates	1.2786	1.1046	1.0302
Average Rates % Change	(15.80%)	(7.20%)
Euros [Member]
Currency [Line Items]
Ending rates	0.9209	0.8264
Average Rates	0.9014	0.7539	0.7532
Average Rates % Change	(19.60%)	(0.10%)
Polish Zloty [Member]
Currency [Line Items]
Ending rates	3.9464	3.5401
Average Rates	3.7706	3.1558	3.1597
Average Rates % Change	(19.50%)	0.10%