Condensed Consolidated Balance Sheets (unaudited) (Parenthetical) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Accounts receivable, reserves	$ 344,520	$ 334,473
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,250,000	1,250,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	13,763,191	13,630,607
Common stock, shares outstanding	13,763,191	13,630,607