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Note 2 - Summary of Significant Accounting Policies (Details Textual)
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2022
USD ($)
Dec. 31, 2021
Mar. 31, 2021
USD ($)
Dec. 31, 2021
Mar. 31, 2022
USD ($)
Mar. 31, 2021
USD ($)
Jun. 30, 2021
USD ($)
Accounts Receivable, Allowance for Credit Loss, Ending Balance $ 3,672       $ 3,672   $ 15,499
Allowance for Doubtful Accounts Receivable, Related Parties 0       0   0
Inventory Write-down 0   $ 67,576   3,478 $ 67,576  
Impairment of Intangible Assets, Finite-Lived         0   0
Goodwill, Impairment Loss         0 0 0
Impairment, Long-Lived Asset, Held-for-Use, Total         0   $ 0
Advertising Expense 700,000   700,000   2,200,000 2,200,000  
Security Alarm Monitoring Customer Support Services [Member]              
Revenue from Contract with Customer, Including Assessed Tax $ 171,798   $ 182,631   $ 318,394 $ 538,436  
Percentage of Total Revenue from Services Under Contract Recognized As Provided 31.00%   25.00%   17.00% 27.00%  
Percentage of Consolidated Revenue from Services Under Contract, Recognized As Provided 1.00%   2.00%   2.00% 2.00%  
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member]              
Number of Major Customers   3   3      
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Major Customer 1 [Member]              
Concentration Risk, Percentage 36.00%   32.00%   31.00% 31.00%  
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Major Customer 1 [Member] | Grocery Industry [Member]              
Concentration Risk, Percentage 22.00%   18.00%   23.00% 18.00%  
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Major Customer 1 [Member] | Gasoline Convenience Store Sector [Member]              
Concentration Risk, Percentage 49.00%   50.00%   49.00% 50.00%  
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Major Customer 1 [Member] | Printing Industry [Member]              
Concentration Risk, Percentage 39.00%   29.00%   38.00% 26.00%  
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Major Customer 2 [Member]              
Concentration Risk, Percentage 16.00%   11.00%   15.00% 11.00%  
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Major Customer 3 [Member]              
Concentration Risk, Percentage 12.00%   11.00%   14.00% 9.00%  
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         23.00%   19.00%
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 1 [Member] | Gasoline Convenience Store Sector [Member]              
Concentration Risk, Percentage         19.00%   22.00%
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 1 [Member] | Printing Industry [Member]              
Concentration Risk, Percentage         48.00%   40.00%
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 2 [Member]              
Concentration Risk, Percentage         10.00%   7.00%
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 2 [Member] | Grocery Industry [Member]              
Concentration Risk, Percentage         28.00%   27.00%
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 2 [Member] | Gasoline Convenience Store Sector [Member]              
Concentration Risk, Percentage         18.00%   23.00%
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 3 [Member]              
Concentration Risk, Percentage         30.00%   26.00%
The Original Sprout LLC [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member]              
Number of Major Customers 0   1   0 1  
The Original Sprout LLC [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Major Customer 1 [Member]              
Concentration Risk, Percentage     9.00%     13.00%  
The Original Sprout LLC [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Other Customer [Member]              
Concentration Risk, Percentage         72.00%   61.00%
Brigadier [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member]              
Concentration Risk, Percentage 57.00%   43.00%   51.00% 47.00%  
Brigadier [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member]              
Concentration Risk, Percentage         30.00%   31.00%