Note 4 - Land Purchases and Sales (Details Textual)	3 Months Ended		12 Months Ended
	Sep. 30, 2015 USD ($) a	Jun. 30, 2015 USD ($) a	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Proceeds from Sale of Land Held-for-use				$ 185,623
Natchitoches Parish [Member]
Area of Land | a	200
Payments to Acquire Land		$ 187,500
One-Sixth Interest in Approximately 155 Acres of Land in Jefferson Davis Parish [Member]
Proceeds from Sale of Land Held-for-use	$ 187,500
Area of Land | a		155
Gain (Loss) on Disposition of Property Plant Equipment		$ 170,853
Section 1031 Exchange, Gain Deferred for Income Tax Purposes		$ 170,853