10.

SEVERANCE COSTS

In prior years, the Company recorded severance charges associated with the departure of certain executive officers of the Company. Under certain of these arrangements, the Company is required to make certain payments and provide specified benefits through 2013 and 2016. The following table summarizes the activity related to aggregate net severance charges for such executive officers for the six months ended June 30, 2012 and 2011:


	Six months ended June 30,
	2012				2011
Accrued severance charges, beginning of period		$	3,518			$	5,441
Payments for period			(1,254	)			(1,353	)
Interest accretion			108				157

Accrued severance charges, end of period		$	2,372			$	4,245