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Note 4 - Business Combinations (Tables)

12 Months Ended

Dec. 31, 2017

Alphaform A.G. [Member]

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]


(in thousands)
Assets acquired:
Current assets		$	2,766
Other long-term assets			3,876
Total assets acquired			6,642

Liabilities assumed:
Current liabilities			1,266
Total liabilities assumed			1,266
Net assets acquired		$	5,376

Cash paid		$	5,570
Cash acquired			(538	)
Total purchase consideration		$	5,032
Gain recognized on bargain purchase		$	344

Rapid [Member]

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]


(in thousands)
Assets acquired:
Current assets		$	6,720
Goodwill			99,588
Other intangible assets			8,700
Other long-term assets			9,013
Total assets acquired			124,021

Liabilities assumed:
Current liabilities			2,067
Other long-term liabilities			85
Total liabilities assumed			2,152
Net assets acquired		$	121,869

Cash paid		$	115,288
Cash acquired			(4,755	)
Net cash consideration			110,533
Equity portion of purchase price			11,336
Total purchase consideration		$	121,869

Business Acquisition, Pro Forma Information [Table Text Block]


		Year Ended December 31,
		2017				2016
(in thousands )			(unaudited)
Revenue		$	386,677			$	336,634
Net income			55,070				41,805