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Revenues (Details Narrative) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Unbilled receivables $ 50    
Other contract assets 179   $ 179
Revenue from contract with customer excluding assessed tax 123,000 $ 142,000  
Other revenue 8,156,000 7,072,000  
Product and Service, Other [Member]      
Other revenue $ 110,000 $ 22,000