Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Condensed Consolidated Balance Sheets [Abstract]
Accounts receivable, allowance	$ 27,773	$ 27,773
Land, buildings and equipment, accumulated depreciation	$ 21,180,077	$ 20,364,053
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	4,141,898	4,101,701
Common stock, shares outstanding	4,141,898	4,101,701