Condensed Consolidated Balance Sheets [Parenthetical] (USD $)	Sep. 30, 2014	Dec. 31, 2013
Allowance for doubtful accounts	$ 223,293	$ 1,978,358
Preferred stock, par value	$ 0.15	$ 0.15
Preferred stock, shares authorized	1,500,000	1,500,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.15	$ 0.15
Common stock, shares authorized	15,000,000	15,000,000
Common stock, shares issued	10,487,511	10,451,678
Common stock, shares outstanding	10,487,511	10,451,678