Other Current Assets (Tables)

6 Months Ended

Jun. 30, 2017

Other Current Assets Disclosure [Abstract]

Schedule of Other Current Assets [Table Text Block]

Other current assets at June 30, 2017 and December 31, 2016 consisted of the following:

	June 30, 2017		December 31, 2016
	(In thousands)
Prepaid expenses	$	11,826	$	10,276
Due from prior owners of acquired businesses for working capital settlements	607		916
Research and development tax credits receivable	388		375
Accrued interest receivable	12		372
Tax refunds receivable	1,225		—
Credit card merchant account balance receivable	616		—
Other	525		777
Total	$	15,199	$	12,716