Note 5 - Property and Equipment - Property and Equipment (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Land	$ 7,023,103	$ 7,051,412
Timber	2,180,251	2,162,390
Building and equipment	108,602	108,602
Total, before accumulated depreciation	9,311,956	9,322,404
Accumulated depreciation	(76,923)	(76,416)
Total	$ 9,235,033	$ 9,245,988