Annual report pursuant to Section 13 and 15(d)

Note 2 - Summary of Significant Accounting Policies (Details Textual)

v3.6.0.2
Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Taxes Paid $ 20,725,307 $ 24,386,479 $ 18,405,210
Percentage of Cash Payments on Land Sales 25.00%    
Debt, Weighted Average Interest Rate 7.10%    
Notes Receivable Prepayments $ 15,803 713,062 $ 1,764,928
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 164,851 $ 132,677  
Weighted Average Number of Shares Outstanding, Basic and Diluted 7,989,030 8,197,632 8,397,314
Income Tax Contingency   50.00%  
Unrecognized Tax Benefits $ 0 $ 0  
Allowance for Doubtful Accounts Receivable 0 0  
Allowance for Notes, Loans and Financing Receivable, Current $ 0 $ 0  
Number of Days Considered Delinquent 30 days    
Accounts Receivable [Member] | Customer Concentration Risk [Member]      
Concentration Risk, Percentage 100.00%    
Sales Revenue, Net [Member] | Customer Concentration Risk [Member]      
Concentration Risk, Percentage 23.70% 18.80% 29.10%
Minimum [Member]      
Grazing Lease Term 3 years    
Debt Instrument, Interest Rate During Period 7.00%    
Notes Receivable Installment Term 10 years    
Property, Plant and Equipment, Useful Life 5 years    
Maximum [Member]      
Grazing Lease Term 5 years    
Debt Instrument, Interest Rate During Period 7.50%    
Notes Receivable Installment Term 15 years    
Property, Plant and Equipment, Useful Life 15 years