Average Common Shares Outstanding Used to Compute Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2013

Average Common Shares Outstanding Used to Compute Loss Per Share

Schedule of average common shares outstanding used to compute loss per share

	Three Months Ended
	March 31,
	2013	2012
Basic and diluted	18,673,220	18,583,882
Potentially dilutive	134,989	265,782