Acquisitions (Tables)

12 Months Ended

Dec. 31, 2016

Business Combinations [Abstract]

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

The following table summarizes the allocation of the opening balance sheet from the date of acquisition through December 31, 2016:

(in thousands)	(as of acquisition date) October 28, 2016			Measurement Period Adjustments		(adjusted acquisition amounts as of) December 31, 2016
Total consideration, net of net asset adjustments	$	11,283		$	—	$	11,283
Accounts receivable, net	$	20,249		$	—	$	20,249
Costs and estimated earnings in excess of billings on uncompleted contracts		1,610			—		1,610
Other current assets		8			—		8
Property and equipment		4,108			—		4,108
Accounts payable		(10,125	)		—		(10,125	)
Billings in excess of costs and estimated earnings on uncompleted contracts		(3,020	)		—		(3,020	)
Other current liabilities		(2,294	)		—		(2,294	)
Net identifiable assets		10,536			—		10,536
Unallocated intangible assets	$	747		$	—	$	747