Segment Reporting (Schedule Of Revenue By Product And Geographic Location) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) segment
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of reportable segments | segment	1
Number of operating segments | segment	1
Consolidated revenue	$ 444
Systems Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated revenue	367
Cycle Units Products [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated revenue	77
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated revenue	312
Rest Of World [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated revenue	$ 132