Common Stock and Stock Option Plans (Information related to unrecognized compensation for stock based awards) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Stock Option Awards [Member]
Information related to unrecognized compensation for stock-based awards
Weighted Average Remaining Recognition Period	7 months 6 days
Unrecognized Compensation	$ 95
Restricted Stock Awards [Member]
Information related to unrecognized compensation for stock-based awards
Weighted Average Remaining Recognition Period	3 months 18 days
Unrecognized Compensation	$ 680	[1]

[1] Includes unrecognized compensation related to restricted shares that were modified to liability awards, as such expense will continue to be recognized over the remaining service period of the liability award through December 31, 2012.