Stock Compensation (Schedule of Allocation of Non-Cash Stock-Based Compensation) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock compensation expense $ 650 $ 158
Cost of Revenues [Member]    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock compensation expense 62 16
Research and Development [Member]    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock compensation expense 138 42
Selling, General and Administrative [Member]    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock compensation expense $ 450 $ 100