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Note 2 - Summary of Significant Accounting Policies (Details Textual)
NZD in Millions, CAD in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Jun. 30, 2017
USD ($)
Dec. 31, 2017
NZD
Dec. 31, 2017
USD ($)
Dec. 31, 2017
CAD
Allowance for Doubtful Accounts Receivable. Related Parties         $ 0   $ 0  
Allowance for Doubtful Accounts Receivable         0   46,551  
Asset Impairment Charges     $ 0 $ 2,090        
Inventory Write-down     0 36,239        
Inventory Valuation Reserves         0   0  
Impairment of Intangible Assets, Finite-lived     0   0      
Goodwill, Impairment Loss $ 0 $ 0 0 0 0      
Impairment of Long-Lived Assets Held-for-use     0   $ 0      
Advertising Expense 870,000 1,050,000 1,720,000 1,830,000        
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax (45,704) 4,714 (38,803) (85,460)        
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax $ (36,536) $ 0 $ (44,829) $ (7,121)        
Wainwright [Member]                
Cash, Uninsured Amount             3,800,000  
Wainwright [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member]                
Concentration Risk, Percentage 100.00%   100.00% 100.00%        
Wainwright [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member]                
Concentration Risk, Percentage   100.00% 100.00%   100.00%      
Wainwright [Member] | CANADA                
Cash, Uninsured Amount             500,000 CAD 0.7
Wainwright [Member] | Non-US [Member]                
Cash, Uninsured Amount           NZD 0.6 $ 400,000  
Brigadier [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member]                
Concentration Risk, Percentage 27.00% 46.00% 36.00% 46.00%        
Number of Major Customers 1              
Brigadier [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | One Customer [Member]                
Concentration Risk, Percentage 32.00%              
Brigadier [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member]                
Concentration Risk, Percentage     19.00%   40.00%      
Brigadier [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | One Customer [Member]                
Concentration Risk, Percentage 48.00%       0.00%      
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Major Customer 1 [Member] | Grocery Industry [Member]                
Concentration Risk, Percentage 17.00% 16.00% 18.00% 18.00%        
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Major Customer 1 [Member] | Gasoline Convenience Store Sector [Member]                
Concentration Risk, Percentage 44.00% 43.00% 42.00% 42.00%        
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Major Customer 2 [Member] | Grocery Industry [Member]                
Concentration Risk, Percentage 11.00% 11.00% 11.00% 11.00%        
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Grocery Industry [Member]                
Number of Major Customers     0   0      
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Gasoline Convenience Store Sector [Member]                
Number of Major Customers     0   0      
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Independent Retailers Sector [Member]                
Number of Major Customers     0   0      
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 1 [Member] | Grocery Industry [Member]                
Concentration Risk, Percentage     25.00%   26.00%      
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Major Customer 2 [Member] | Grocery Industry [Member]                
Concentration Risk, Percentage     14.00%   11.00%      
Gourmet Foods [Member] | Customer Concentration Risk [Member] | Sales Revenue, Gross [Member] | Independent Retailers Sector [Member]                
Number of Major Customers     0 0