Accounts Receivable (Tables)

3 Months Ended

Mar. 31, 2015

Receivables [Abstract]

Summary of Accounts Receivable

(Table only in thousands)	March 31, 2015			December 31, 2014
Trade receivables	$	11,218		$	15,875
Contract receivables		48,702			43,218
Allowance for doubtful accounts		(727	)		(699	)
	$	59,193		$	58,394