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Debt and Shareholders' Equity (Details Narrative)
3 Months Ended
Oct. 26, 2017
USD ($)
ft²
Mar. 31, 2021
USD ($)
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Oct. 26, 2017
a
Long Term Debt And Stockholders Equity [Line Items]          
Outstanding borrowings under revolving loan agreement   $ 40,626,000,000   $ 38,767,000,000  
Amount paid for shares authorized to be repurchased during the period     $ 214,000    
HSBC Bank          
Long Term Debt And Stockholders Equity [Line Items]          
Credit facility borrowing capacity   $ 50,000,000      
Credit facility interest rate   Prime Rate less 1.25%      
Credit facility expiration date   May 24, 2023      
Facility fee per annum   20.00%      
HSBC Bank | Prime Rate          
Long Term Debt And Stockholders Equity [Line Items]          
Interest rate   1.25%      
First Aid Only Distribution Center          
Long Term Debt And Stockholders Equity [Line Items]          
Covenant terms and compliance   Under the revolving loan agreement, the Company is required to maintain specific amounts of tangible net worth, a specified debt to net worth ratio and a fixed charge coverage ratio and must have annual net income greater than zero, measured as of the end of each fiscal year. March 31, 2021, the Company was in compliance with the covenants then in effect under the loan agreement      
Purchase price $ 4,000,000.0        
Area of real estate property 53,000       2.86
Variable rate mortgage interest rate   interest rate of LIBOR plus 2.5%      
Monthly payment $ 22,222        
Mortgage maturity date   October 31, 2024      
First Aid Only Distribution Center | LIBOR Rate          
Long Term Debt And Stockholders Equity [Line Items]          
Interest rate 2.50%