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Line of Credit (Details Narrative) - Loan Agreement - USD ($)
$ in Millions
3 Months Ended
Apr. 30, 2021
Jun. 15, 2017
Mar. 31, 2022
Working capital revolving line of credit   $ 5.0  
Description of date of maturity extention The Modification Agreement extended the maturity date of the facility from April 30, 2021 through June 15, 2022.    
Quarterly minimum tangible net worth   $ 2.0  
Descrioption of Current ratio   maintain a 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%
Line of credit borrowing capacity     $ 4.9
Maximum      
Working capital revolving line of credit   $ 5.0