Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Sep. 30, 2011	Dec. 31, 2010
ASSETS
Accumulated amortization of intangible assets	$ 18,198,744	$ 14,891,406
Stockholders' equity:
Common stock, par value	$ 0.02	$ 0.02
Common stock, shares authorized	101,000,000	101,000,000
Common stock, shares issued	10,562,570	10,472,010
Common stock, shares outstanding	10,562,570	10,472,010