Change in Accumulated Balance of Component of Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 30, 2012

Change in Accumulated Balance of Component of Other Comprehensive Loss and Common Stock Issuances [Abstract]

Changes in the accumulated balance of the component of other comprehensive loss

The following table includes the changes in the accumulated balance of the component of other comprehensive loss for the nine months ended September 30, 2011:

(In thousands)	Nine months ended September 30, 2011
Accumulated unrealized gain on available-for-sale securities at beginning of period	$	13
Decrease during the period		(13	)
Accumulated unrealized gain on available-for-sale securities at end of period	$	—