Note 6 - Intangible Assets and Goodwill (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period
June 30, 2018
Customer relationships	$	156,790	$	(96,249	)	$	60,541	11.8 years
Trade names		16,246		(15,097	)		1,149	0.5 years
Intellectual property		21,700		(4,733	)		16,967	4.5 years
Restrictive covenants		263		(212	)		51	1.1 years
Total	$	194,999	$	(116,291	)	$	78,708

	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period
December 31, 2017
Customer relationships	$	159,290	$	(89,106	)	$	70,184	11.3 years
Trade names		16,246		(13,916	)		2,330	1 year
Intellectual property		21,700		(2,874	)		18,826	5.2 years
Restrictive covenants		263		(121	)		142	1.3 years
Total	$	197,499	$	(106,017	)	$	91,482

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Year ending December 31,
2018	$	11,579
2019		9,183
2020		7,664
2021		7,197
2022		7,197
Thereafter		35,888
Total	$	78,708