Stockholders' Equity (Details) (USD $)	1 Months Ended
	Sep. 30, 2003
Class of Stock [Line Items]
Number of dividend preferred share purchase right	$ 1
Triggering event, percent of assets or earning power of the Company sold	50.00%
Market value over exercise price of Right	200.00%
Redeemable price per Right	0.001
Series A Junior Participating Preferred Stock
Class of Stock [Line Items]
$100 per 1/100 Preferred Share per Right	$ 10,000
Minimum | Beneficial Owner
Class of Stock [Line Items]
Percentage of common stock outstanding owned ( in percent)	15.00%