Consolidated Balance Sheets (Parentheticals) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Allowance for doubtful accounts (in Dollars)	$ 280,924	$ 230,752
Common stock par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	13,221,404	13,221,404
Common stock, shares outstanding	13,221,404	13,221,404