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Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Sep. 30, 2020
Jun. 30, 2021
Accounts Receivable, Allowance for Credit Loss, Ending Balance $ 453 $ 15,499   $ 15,499
Allowance for Doubtful Accounts Receivable, Related Parties 0 $ 0   0
Inventory Write-down 0   $ 0  
Impairment of Intangible Assets, Finite-lived 0     0
Goodwill, Impairment Loss 0     0
Impairment of Long-Lived Assets Held-for-use 0     $ 0
Advertising Expense 700,000   800,000  
Security Alarm Monitoring Customer Support Services [Member]        
Revenue from Contract with Customer, Including Assessed Tax $ 188,762   $ 180,999  
Percentage of Total Revenue from Services Under Contract Recognized As Provided 27.00%   27.00%  
Percentage of Consolidated Revenue from Services Under Contract, Recognized As Provided 2.00%   2.00%  
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member]        
Number of Major Customers       3
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Major Customer 1 [Member]        
Concentration Risk, Percentage 32.00%   28.00%  
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Major Customer 1 [Member] | Grocery Industry [Member]        
Concentration Risk, Percentage 25.00%   20.00%  
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Major Customer 1 [Member] | Gasoline Convenience Store Sector [Member]        
Concentration Risk, Percentage 47.00%   48.00%  
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Major Customer 1 [Member] | Printing Industry [Member]        
Concentration Risk, Percentage 40.00%   36.00%  
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Major Customer 2 [Member]        
Concentration Risk, Percentage 18.00%   14.00%  
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Major Customer 2 [Member] | Grocery Industry [Member]        
Concentration Risk, Percentage 10.00%   10.00%  
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Major Customer 3 [Member]        
Concentration Risk, Percentage 15.00%   12.00%  
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 1 [Member]        
Concentration Risk, Percentage 0.00%     0.00%
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 1 [Member] | Grocery Industry [Member]        
Concentration Risk, Percentage 40.00%     19.00%
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 1 [Member] | Gasoline Convenience Store Sector [Member]        
Concentration Risk, Percentage 12.00%     23.00%
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 1 [Member] | Printing Industry [Member]        
Concentration Risk, Percentage 44.00%     40.00%
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 2 [Member]        
Concentration Risk, Percentage 16.00%     7.00%
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 2 [Member] | Grocery Industry [Member]        
Concentration Risk, Percentage 25.00%     27.00%
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 3 [Member]        
Concentration Risk, Percentage 28.00%     26.00%
Brigadier [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member]        
Concentration Risk, Percentage 50.00%   49.00%  
Brigadier [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member]        
Concentration Risk, Percentage 27.00%   13.00% 31.00%
The Original Sprout LLC [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Major Customer 1 [Member]        
Concentration Risk, Percentage 10.00%   9.00%  
Number of Major Customers 1      
The Original Sprout LLC [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 1 [Member]        
Concentration Risk, Percentage 0.00%   0.00%  
The Original Sprout LLC [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 2 [Member]        
Concentration Risk, Percentage 25.00%     30.00%
The Original Sprout LLC [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 3 [Member]        
Concentration Risk, Percentage 17.00% 15.00%    
The Original Sprout LLC [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 4 [Member]        
Concentration Risk, Percentage 8.00% 11.00%    
The Original Sprout LLC [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 5 [Member]        
Concentration Risk, Percentage 0.00% 17.00%