Acquisitions (Tables)

12 Months Ended

Dec. 31, 2017

Acquisitions [Abstract]

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

The following table summarizes the purchase price allocation based on estimated fair values of assets acquired and liabilities assumed at the acquisition date (amounts in thousands):

	Amount
Cash and cash equivalents	$	630
Accounts receivable	107
Inventory	31
Other current assets	259
Property and equipment	23
Identifiable intangible assets	1,500
Goodwill	1,257
Accounts payable	(352		)
Accrued liabilities	(255		)
	$	3,200