Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Condensed Consolidated Balance Sheets [Abstract]
Accounts receivable, allowance	$ 22,294	$ 22,294
Land, buildings and equipment, accumulated depreciation	$ 25,056,821	$ 24,010,738
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	4,227,948	4,201,371
Common stock, shares outstanding	4,227,948	4,201,371