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Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Macadamia Orchards Acquired in 1986 [Member]    
Property, Plant, and Equipment, Salvage Value $ 0  
Property, Plant and Equipment, Useful Life 33 years  
Macadamia Orchards Acquired in 1989 [Member] | Minimum [Member]    
Lessee Leasing Arrangements, Operating Leases, Term of Contract 40 years  
Macadamia Orchards Acquired in 1989 [Member]    
Property, Plant, and Equipment, Salvage Value $ 0  
Property, Plant and Equipment, Useful Life 40 years  
Developing Orchards [Member] | Maximum [Member]    
Period Taken By Developing Orchards To Reach Commercial Viability 12 years  
Producing Orchards [Member]    
Property, Plant and Equipment, Useful Life 40 years  
Irrigation Well And Equipment [Member] | Maximum [Member]    
Property, Plant and Equipment, Useful Life 20 years  
Irrigation Well And Equipment [Member] | Minimum [Member]    
Property, Plant and Equipment, Useful Life 10 years  
Other Equipment [Member] | Maximum [Member]    
Property, Plant and Equipment, Useful Life 12 years  
Other Equipment [Member] | Minimum [Member]    
Property, Plant and Equipment, Useful Life 3 years  
Royal Hawaiian Macadamia Nut Inc [Member]    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 34.00%  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent 6.90% 6.90%
Deferred Tax Assets, Gross $ 3,000,000 $ 2,400,000
Valuation Allowance As Percentage Of Deferred Tax Asset 100.00%  
Effective Income Tax Rate Reconciliation, Percent 0.00%  
Gross Income Tax Rate For Partnership 3.50% 3.50%
Liability for Uncertain Tax Positions, Current $ 0  
Repairs And Maintenance Cost Threshold Amount To Be Expensed 5,000  
Excise and Sales Taxes $ 65,000 $ 30,000
Percentage Increase In Annual Revenue Growth Required To Remain In Hawaii Enterprise Zones Program 2.00%  
Percentage Increase in Headcount Required After First Year to Remain in Hawaii Enterprise Zones Program 10.00%  
Percentage Increase in Headcount Required in Fourth, Fifth, Sixth, Seventh Year to Remain in Hawaii Enterprise Zones Program 15.00%  
Deferred Tax Assets, Gross $ 142,000 149,000
Advertising Expense 139,000 106,000
Accumulated Other Comprehensive Income (Loss), Net of Tax $ (321,000) $ (186,000)