INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2016

Schedule of income (loss) before income taxes

Income (loss) before income taxes attributable to U.S. (including its foreign branches) and foreign operations are as follows:



	Years Ended December 31,
	2016			2015
U.S.	$	(29,867	)	$	15,263
Foreign	13,914			(18,012		)
Total	$	(15,953	)	$	(2,749	)

Schedule of provision for income taxes

The provision for income taxes shown in the consolidated statements of operations and comprehensive loss consists of current and deferred expense (benefit) as shown in the following table:



	Years Ended December 31,
	2016			2015
Current income tax expense:
U.S. – federal and state	$	102		$	242
Foreign	7,276			3,923
Total current income tax expense	7,378			4,165
Deferred income tax benefit:
U.S. – federal and state	—			—
Foreign	(1,322		)	(1,472		)
Total deferred income tax benefit	(1,322		)	(1,472		)
Total provision for income taxes	$	6,056		$	2,693

Reconciliation of provision for income tax expense (benefit)

A reconciliation of the provision for income tax expense (benefit) expected at the U.S. federal statutory income tax rate to the effective income tax rate is as follows:



	Years Ended December 31,
	2016			2015
Expected income tax benefit at 35%	$	(5,583	)	$	(962	)
Effects of expenses not deductible for tax purposes	(1,878		)	2,850
Tax effect of valuation allowance on deferred tax assets	7,115			414
Effects of differences between U.S. and foreign tax rates, net of federal benefit	6,020			(917		)
Foreign withholding and AMT	667			1,501
Rate changes	(285		)	—
Other adjustments	—			(193		)
Provision for income taxes	$	6,056		$	2,693

Schedule of tax effects of temporary differences

The tax effects of temporary differences that give rise to significant portions of the deferred tax assets and deferred tax liabilities are presented below:



	December 31,
	2016			2015
Deferred tax assets:
Deferred charges	$	1,553		$	1,316
Stock compensation expense	237			98
Other accruals	4,421			2,427
Research and development credits	160			2,406
Capital lease obligation	134			134
Foreign tax credit and AMT credit carry forwards	2,087			13,188
Financing costs	453			1,974
Unrealized loss on foreign currency transactions	700			914
Net operating loss carry forwards	15,668			14,093
Total deferred tax assets	25,413			36,550
Less: valuation allowance	(16,890		)	(26,137		)
Total deferred tax assets, net	8,523			10,413
Deferred tax liabilities:
Property and equipment	(3,061		)	(6,372		)
Intangible assets	(340		)	(340		)
Total deferred tax liabilities	(3,401		)	(6,712		)
Net deferred tax assets	$	5,122		$	3,701

The net deferred tax assets consist of the following:



	December 31,
	2016		2015
Noncurrent deferred tax asset, net	$	5,122	$	3,756
Noncurrent deferred tax liability, net	—		(55		)
Net deferred tax asset	$	5,122	$	3,701



	December 31,
Net Deferred Tax Assets:	2016		2015
Bolivia	$	1,368	$	1,467
Canada	—		—
Colombia	2,249		1,735
Malaysia	233		(55		)
Peru	1,272		554
Total	$	5,122	$	3,701

Summary of net operating loss carryforwards

The details of the Corporation’s tax attributes are shown below:



	December 31,
Net Operating Loss Carryforwards:	2016		2015
United States	$	22,505	$	17,752
Canada	6,117		5,408
Malaysia	5,726		5,726
Brazil	5,149		6,894
Others	—		7,038
Total	$	39,497	$	42,818

Summary of foreign tax credits carryforwards



	December 31,
Foreign Tax Credits Carryforwards:	2016		2015
United States	$	100	$	11,604
Canada	654		641
United Kingdom	727		356
Total	$	1,481	$	12,601