Condensed Consolidated Balance Sheets (unaudited) (Parenthetical) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Accounts receivable, reserves	$ 327,270	$ 337,459
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	14,006,135	13,866,060
Common stock, shares outstanding	14,006,135	13,866,060