Commitments and Contingencies Schedule of Business Acquisition by Acquisitions, equity interest issued or issuable (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of Business Acquisitions by Acquisition, Equity Interest Issued or Issuable [Table Text Block]

The total potential earn-out is $20.0 million with maximum amounts payable each year as follows:

	(in thousands)
2014	$	6,000
2015	6,000
2016-2017	8,000
	$	20,000