Description Of Business And Basis Of Presentation (Schedule Of Exchange Rates To US Dollar) (Details)	Jun. 30, 2023	Dec. 31, 2022
Canadian Dollar (CAD) [Member]
Currency [Line Items]
Ending Rates	1.3253	1.3550
Euros (EUR) [Member]
Currency [Line Items]
Ending Rates	0.9200	0.9393
Polish Zloty (PLN) [Member]
Currency [Line Items]
Ending Rates	4.0879	4.4004