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Nature of Operations (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Mar. 11, 2021
Dec. 31, 2018
Cash and cash equivalents $ 2,063 $ 1,247   $ 973
Working capital 95      
Deferred revenue 3,214 3,004    
Net cash increased during the year ended 816 (16)    
Net cash provided by operating activities 464 (1,221)    
Net cash used in investing activities (101) (1,115)    
Net cash provided by financing activities 453 2,320    
Net proceeds from SBA PPP loan 421    
Cash 2,063 $ 1,247    
Corporate [Member]        
Cash and cash equivalents $ 2,063      
Corporate [Member] | Subsequent Event [Member]        
Cash     $ 1,812,000