Note 8. Reconciliation of Net Income and Net Assets per Financial Statements to Tax Basis - Reconciliation Of Net Assets Per Financial Statements To Tax Basis (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Notes to Financial Statements
Net assets per financial statements	$ 24,027,431	$ 22,660,292
Tax basis in property	1,839,184	1,067,195
Accumulated depreciation	1,420,990	628,192
Unrealized gain from securities	(712,204)	505,235
Syndication costs	0	2,230,944
Other tax adjustments	0	10,085
Net assets per tax basis	$ 26,575,401	$ 27,101,943