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14. INCOME TAXES (Restated) (Tables)

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Schedule of components of the provision for income taxes

		Years ended December 31,
		2017 Restated				2016
Current taxes – PRC		$	7,737,087				11,807,194
Deferred tax – PRC			(4,126,947	)			3,013
		$	3,610,140			$	11,810,207

Schedule of income tax expenses reconciliation

		Years ended December 31,
		2017 Restated				2016
Statutory income tax rate-PRC			25	%			25	%
Non-deductible (Non-taxable) items			4	%			(1	%)
Change in valuation allowance-US federal net operating loss			2	%			1	%
Effective tax rate			31	%			25	%

Schedule of deferred tax assets and liabilities

		As of December 31,
		2017   Restated				2016
Deferred tax assets:
Allowance for obsolete and slow-moving inventories		$	10,980			$	—
Impairment on property, plant and equipment			4,610,228				421,105
Exploration costs			1,905,347				1,794,667
Compensation costs of unexercised stock options			98,092				120,986
US federal tax net operating loss			—				11,575,000
Total deferred tax assets			6,624,647				13,911,758
Valuation allowance			(98,092	)			(11,695,986	)
Net deferred tax asset		$	6,526,555			$	2,215,772

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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