Accounts Receivable (Tables)

6 Months Ended

Jun. 30, 2014

Receivables [Abstract]

Summary of Accounts Receivable

(Table only in thousands)	June 30, 2014			December 31, 2013
Trade receivables	$	19,905		$	18,815
Contract receivables		22,158			26,249
Allowance for doubtful accounts		(765	)		(700	)
	$	41,298		$	44,364