14. INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Components of provision for income tax (expense) benefit

	Years Ended December 31,
	2020			2019
Current taxes – PRC	$	—		$	—
Deferred taxes – PRC entities		1,108,471			5,546,825
Deferred taxes –US entity		607,643			319,005
Change in valuation allowance		(607,643	)		(8,672,817	)
	$	1,108,471		$	(2,806,987	)

Effective income tax benefit (expense)

	Years Ended December 31,
Reconciliations	2020			2019
Statutory income tax rate		25	%		25	%
Non-taxable (non-deductible) items		(5	%)		1	%
Change in valuation allowance		(8	%)		(38	%)
Effective income tax benefit (expense) rate		12	%		(12	%)

Deferred tax assets and liabilities

	December 31,			December 31,
	2020			2019
Deferred tax liabilities	$	—		$	—
Deferred tax assets:
Allowance for obsolete and slow-moving inventories	$	—		$	—
Impairment on property, plant and equipment		2,907,548			2,974,542
Impairment on prepaid land lease		883,884			826,673
Exploration costs		1,908,087			1,784,583
Compensation costs of unexercised stock options		74,883			171,672
PRC tax losses		21,643,028			18,737,005
US federal net operating loss		1,045,503			432,000
Total deferred tax assets		28,462,933			24,926,475
Valuation allowance		(9,872,706	)		(8,985,833	)
Net deferred tax asset	$	18,590,227		$	15,940,642