Condensed Consolidated Balance Sheet Parenthetical (USD $)	Sep. 30, 2011	Dec. 31, 2010
Current Assets:
Allowance for doubtful accounts	$ 0	$ 0
Stockholders' Equity:
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	27,439,149	27,436,922
Common stock, shares outstanding	27,121,417	27,119,191
Treasury stock, shares	(317,731)	(317,731)