Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 58,382	$ 105,721
Less non-cash expenses included in net income:
Depreciation expense	234	507
Depletion expense	134	109
Gain on sale of land	(33,107)	(75,926)
Unrealized gain on equity investment in mutual funds	3,010	(245)
Changes in operating assets and liabilities:
Increase (decrease) in current assets	(83,854)	(47,609)
Increase (decrease) in current liabilities	76,944	(22,567)
Net cash provided by (used in) operating activities	21,743	(40,010)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of certificates of deposit	(1,210,163)	(489,000)
Proceeds from maturity of certificates of deposit	744,000	710,000
Purchases of mutual funds	(1,978)	(1,458)
Costs of reforesting timber		(17,970)
Proceeds from the sale of fixed assets	33,265	104,235
Net cash provided by (used in) investing activities	(434,876)	305,807
NET INCREASE IN CASH AND RESTRICTED CASH	(413,133)	265,797
Cash and restricted cash, beginning of the period	3,280,289	1,860,736
Cash and restricted cash, end of the period	2,867,156	2,126,533
SUPPLEMENTAL CASH FLOW INFORMATION
Cash paid for interest
Cash paid for income taxes		$ 60,500