Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2014

Receivables [Abstract]

Summary of Accounts Receivable

(Table only in thousands)	2014			2013
Trade receivables	$	15,875		$	18,815
Contract receivables		43,218			26,249
Allowance for doubtful accounts		(699	)		(700	)
	$	58,394		$	44,364