INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Schedule of income before income tax, domestic and foreign

	2017		2016		2015
United States	$	22,695	$	25,038	$	19,850
Foreign		7,644		6,039		5,013
Total	$	30,339	$	31,077	$	24,863

Schedule of provision for income taxes

	2017			2016			2015
Current:
Federal	$	4,871		$	5,016		$	5,778
Federal – Deemed Repatriation		1,102			—			—
State		(1,435	)		955			913
Foreign		3,653			1,965			1,623
		8,191			7,936			8,314
Deferred:
Federal		(919	)		3,057			548
State		150			205			47
Foreign		(99	)		(43	)		(22	)
		(868	)		3,219			573
	$	7,323		$	11,155		$	8,887

Schedule of effective income tax rate reconciliation

	2017			2016			2015
Federal statutory tax rate		35.0	%		35.0	%		35.0	%
State taxes, net of federal tax benefit		1.0	%		3.8	%		3.0	%
Excess of (decreases in) foreign tax over US tax on foreign income		2.9	%		(0.5	)%		(1.1	)%
Remeasurement of deferred taxes under TCJA		(7.7	)%		—	%		—	%
Deemed repatriation tax		3.6	%		—	%		—	%
Domestic tax deductions and credits		(3.1	)%		(2.7	)%		(1.2	)%
Release of unrecognized tax benefit		(5.8	)%		—	%		—	%
Other		(1.8	)%		0.2	%		—	%
Effective tax rate		24.1	%		35.8	%		35.7	%

Schedule of deferred income tax assets and liabilities

	2017			2016
Deferred tax assets:
Allowance for doubtful accounts	$	181		$	58
Accruals and reserves		1,673			2,552
Other		644			259
Total deferred tax assets		2,498			2,869
Deferred tax liabilities:
Property, plant, and equipment		3,579			3,610
Investments in foreign subsidiaries		—			1,215
Total deferred tax liabilities		3,579			4,825
Valuation Allowance		(44	)		(37	)
Net deferred tax asset/(liability)	$	(1,125	)	$	(1,993	)

Schedule of activity of the unrecognized tax benefits

	2017			2016		2015
Unrecognized tax benefits – January 1		1,037			792		526
Gross increases – tax positions in prior period		120			245		266
Gross decreases – tax positions in prior period		(1,157	)		—		—
Unrecognized tax benefits – December 31	$	—		$	1,037	$	792