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Statements of Cash Flows (Unaudited) (USD $)
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Cash Flows From Operating Activities:    
Net Income $ 611,772 $ 131,802
Less non-cash (income) expenses included in net income:    
Depreciation, depletion and amortization 2,116 20,560
Deferred income tax expense 39,969 148
Less non-operating activities:    
Gain from sale of land and other assets (124,000) (306)
Change in operating assets and liabilities:    
(Increase) decrease in current assets 79,716 (21,448)
Increase (decrease) in current liabilities 40,014 7,989
Net cash provided from operating activities 649,587 138,745
Certificates of Deposit:    
Maturity proceeds 255,625  
Purchases (261,384) (5,625)
Securities:    
Sales proceeds   (4,864)
Land, timber, equipment and other assets:    
Sales proceeds 159,000 166
Purchases (4,666) (532,944)
Proceeds held in 1031 trust account (159,003)  
Net cash provided from (used in) investing activities (10,428) (543,267)
Cash Flows From Financing Activities:    
Dividends paid      
Net cash used in financing activities      
Net increase (decrease) in cash and cash equivalents 639,159 (404,522)
Cash and cash equivalents:    
Beginning 4,124,908 5,182,316
Ending 4,764,067 4,777,794
Cash payments for:    
Interest   0
Income taxes 71,348  
Supplemental schedule of non-cash investing and financing activities:    
Net change in recognized and unrecognized unrealized gains (losses) on available-for-sale securities   $ 1,271