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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Sep. 30, 2011	Dec. 31, 2010
Preferred stock, par	$ 0.001	$ 0.001
Preferred stock, authorized shares	1,000,000	1,000,000
Preferred stock, issued	0	0
Common stock, par	$ 0.001	$ 0.001
Common stock, authorized	100,000,000	100,000,000
Common stock, outstanding	30,539,381	30,445,881
Treasury stock, shares	10,009,492	10,009,492

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Face amount or stated value of common stock per share; generally not indicative of the fair market value per share.

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