Note 7 - Goodwill and Intangible Assets (Tables)

3 Months Ended

Apr. 01, 2017

Notes Tables

Schedule of Goodwill [Table Text Block]

	April 1,			December 31,
	2017			2016
Balance as of the beginning of the year	$	59,380		$	21,679
Acquisitions		-			37,701
Reduction from working capital proceeds		(1,138	)		-
Balance as of the end of the period	$	58,242		$	59,380

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

	April 1, 2017							December 31, 2016
	Gross Carrying Amount		Accumulated Amortization			Net Amount		Gross Carrying Amount		Accumulated Amortization			Net Amount
Customer relationships	$	38,801	$	(6,732	)	$	32,069	$	38,801	$	(5,746	)	$	33,055
Trade name		4,185		(3,249	)		936		4,185		(2,746	)		1,439
Customer backlog		6,607		(2,618	)		3,989		6,607		(2,284	)		4,323
Favorable lease		553		(109	)		444		553		(158	)		395
Non-compete		2,546		(1,054	)		1,492		2,546		(897	)		1,649
Total	$	52,692	$	(13,762	)	$	38,930	$	52,692	$	(11,831	)	$	40,861

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

Period ending April 1,
2018	$	6,121
2019		4,851
2020		4,379
2021		3,861
2022		3,685
Thereafter		16,033
Total	$	38,930