INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of income before income tax, domestic and foreign

	2018		2017		2016
United States	$	34,220	$	22,695	$	25,038
Foreign		7,443		7,644		6,039
Total	$	41,663	$	30,339	$	31,077

Schedule of provision for income taxes

	2018			2017			2016
Current:
Federal	$	5,480		$	4,871		$	5,016
Federal – Deemed Repatriation		(477	)		1,102			—
State		(380	)		(1,435	)		955
Foreign		2,719			3,653			1,965
		7,342			8,191			7,936
Deferred:
Federal		571			(919	)		3,057
State		(55	)		150			205
Foreign		59			(99	)		(43	)
		575			(868	)		3,219
	$	7,917		$	7,323		$	11,155

Schedule of effective income tax rate reconciliation

	2018			2017			2016
Federal statutory tax rate		21.0	%		35.0	%		35.0	%
State taxes, net of federal tax benefit		(0.8	)%		1.0	%		3.8	%
Excess of (decreases in) foreign tax over US tax on foreign income		2.9	%		2.9	%		(0.5	)%
Remeasurement of deferred taxes under TCJA		—	%		(7.7	)%		—	%
Deemed repatriation tax		(1.1	)%		3.6	%		—	%
Domestic tax deductions and credits		(0.4	)%		(3.1	)%		(2.7	)%
Foreign Derived Intangible Income deduction		(1.3	)%		—	%		—	%
Release of unrecognized tax benefit		—	%		(5.8	)%		—	%
Other		(1.3	)%		(1.8	)%		0.2	%
Effective tax rate		19.0	%		24.1	%		35.8	%

Schedule of deferred income tax assets and liabilities

	2018			2017
Deferred tax assets:
Allowance for doubtful accounts	$	213		$	181
Accruals and reserves		1,963			1,673
Other		811			644
Total deferred tax assets		2,987			2,498
Deferred tax liabilities:
Property, plant, and equipment		4,686			3,579
Other		1			—
Total deferred tax liabilities		4,687			3,579
Valuation Allowance		—			(44	)
Net deferred tax asset/(liability)	$	(1,700	)	$	(1,125	)

Schedule of activity of the unrecognized tax benefits

	2018		2017			2016
Unrecognized tax benefits – January 1		—		1,037			792
Gross increases – tax positions in prior period		—		120			245
Gross decreases – tax positions in prior period		—		(1,157	)		—
Unrecognized tax benefits – December 31	$	—	$	—		$	1,037