Balance Sheets (Unaudited) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Current Assets:
Cash and cash equivalents	$ 6,566,316	$ 5,832,167
Accounts receivable	240,671	260,989
Prepaid expense and other assets	142,970	68,081
Total current assets	7,189,957	6,902,621
Current Liabilities:
Trade payables and accrued expenses	79,208	40,874
Dividends payable	135,975
Income tax payable:
Total current liabilities	215,183	40,874
Noncurrent Liabilities:
Deferred income tax payable	181,818	181,818
Total liabilities	397,001	222,692
Stockholders’ Equity:
Common stock, no par value: 3,000,000 shares authorized; 2,100,000 shares issued	72,256	72,256
Retained earnings	12,773,554	12,665,988
Less cost of treasury stock (157,505 shares)	(375,516)	(375,516)
Total stockholders’ equity	12,470,294	12,362,728
Total liabilities and stockholders’ equity	12,867,295	12,585,420
Property And Equipment Net [Member]
Current Assets:
Total Property and Equipment, net	11,256	12,928
Timber less accumulated depletion of $706,851and $700,564, respectively	1,232,001	1,235,790
Land	4,434,081	4,434,081
Total Property And Equipment Net [Member]
Current Assets:
Total Property and Equipment, net	5,677,338	5,682,799
Total assets	12,867,295	12,585,420
Deposit Current [Member]
Current Assets:
Certificates of deposit	$ 240,000	$ 741,384