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Long-Term Debt and Shareholders' Equity (Details Narrative)
1 Months Ended 12 Months Ended
Oct. 31, 2017
USD ($)
ft²
Dec. 31, 2019
USD ($)
shares
Nov. 14, 2019
shares
Oct. 31, 2017
a
Long Term Debt And Stockholders Equity [Line Items]        
Outstanding borrowings under revolving loan agreement   $ 33,240,407    
Amount available for borrowing under revolving loan agreement   $ 16,759,593    
Shares repurchased during period | shares   0    
Shares that may be purchased under repurchase programs | shares   217,999    
Maximum Range        
Long Term Debt And Stockholders Equity [Line Items]        
Shares authorized to be repurchased during period | shares     200,000  
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   0.20%    
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. At December 31, 2019, the Company was in compliance with the covenants then in effect under the loan agreement.    
Purchase price $ 4,000,000      
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      
2020   $ 266,664    
2021   266,664    
2022   266,664    
2023   266,664    
2024   266,664    
Thereafter   $ 2,111,130    
First Aid Only Distribution Center | LIBOR Rate        
Long Term Debt And Stockholders Equity [Line Items]        
Interest rate 2.50%