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Note 15 - Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Defined Contribution Plan [Table Text Block]

		Pension Plan Employer		Pension Protection Act (“PPA”) Certified Zone Status 1				FIP / RP Status		Contributions												Surcharge Imposed		Expiration Date of Collective Bargaining Agreement 3
Pension Trust Fund		Identification Number		2016		2015		Pending / Implemented 2		2016				2015				2014
Pension Trust Fund for Operating Engineers Pension Plan		94-6090764		Red		Red		Yes		$	2,145			$	2,151			$	1,757			No		Various
Laborers Pension Trust for Northern California		94-6277608		Yellow		Yellow		Yes			1,059				966				1,447			No		Various
Carpenter Funds Administrative Office		94-6050970		Red		Red		Yes			636				842				1,015			No		Various
Cement Mason Pension Trust Fund For Northern California		94-6277669		Yellow		Yellow		Yes			311				371				322			No		Various
All other funds 4											8,487				10,204				6,267
								Total Contributions:		$	12,638			$	14,534			$	10,808