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Line of Credit (Details Narrative) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2021
Jun. 15, 2017
Line of Credit    
Line of credit borrowing capacity $ 4.6  
Working capital revolving line of credit   $ 5.0
Description of date of maturity extention from April 30, 2021 through June 15, 2022  
Quarterly minimum tangible net worth $ 2.0  
Descrioption of Current ratio of 1.1 to 1.0 (excluding finance lease liabilities reported under lease accounting standards).  
Percentage of unpaid balance of eligible accounts receivable 50.00%