Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Current Assets:
Allowance for doubtful accounts	$ 241,275	$ 230,749
Stockholders' equity
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	8,000,000	8,000,000
Common Stock, Shares, Issued	4,835,882	4,835,882
Common Stock, Shares, Outstanding	4,835,882	4,835,882
Treasury stock, at cost	40,920	40,920
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares outstanding	0	0