Annual report pursuant to Section 13 and 15(d)

Business Combinations (Schedule Of Assets Acquired And Liabilities Assumed) (Details)

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Business Combinations (Schedule Of Assets Acquired And Liabilities Assumed) (Details) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
May 14, 2020
Dec. 31, 2019
Business Acquisition [Line Items]        
Goodwill $ 2,086,393 $ 2,086,393  
Ecessa Corporation [Member]        
Business Acquisition [Line Items]        
Current assets     $ 1,101,000  
Property, plant and equipment     127,000  
Other long-term assets     421,000  
Intangible assets     2,260,000  
Goodwill $ 1,341,000 $ 1,341,000 1,341,000
Total assets     5,250,000  
Total liabilities     608,000  
Net assets acquired     $ 4,642,000