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Statements of Cash Flows (Unaudited) (USD $)
6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Net Income $ 295,730 $ 452,707
Less non-cash (income) expenses included in net income:    
Depreciation, depletion and amortization 21,298 69,244
Deferred income tax expense (12,427) (15,330)
Less non-operating activities:    
Unrealized (gain) loss on securities   (28,526)
Gain from sale of land and other assets (306) (255)
(Increase) decrease in current assets (88,587) (108,191)
Increase (decrease) in current liabilities (9,290) 72,313
Net cash provided from operating activities 206,418 441,962
Certificates of Deposit:    
Maturity proceeds   240,000
Purchases (5,625) (250,000)
Sales proceeds   153,359
Purchases (9,470) (308,111)
Proceeds from dissolution of partnership   255
Land, timber, equipment and other assets:    
Sales proceeds 167  
Purchases (532,944) (601,079)
Net cash provided from (used in) investing activities (547,872) (765,576)
Cash Flows From Financing Activities:    
Dividends paid, net of reversion (258,574) (271,949)
Net cash used in financing activities (258,574) (271,949)
Net increase (decrease) in cash and cash equivalents (600,028) (595,563)
Cash and cash equivalents:    
Beginning 5,182,316 3,977,106
Ending 4,582,288 3,381,543
Cash payments for:    
Interest   0
Income taxes 112,160 133,500
Supplemental schedule of non-cash investing and financing activities:    
Net change in recognized and unrecognized unrealized gains (losses) on available-for-sale securities $ 5,802 $ (83,853)