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RELATED PARTIES LOANS - Additional Information (Detail) ¥ in Millions		1 Months Ended					3 Months Ended		9 Months Ended				12 Months Ended
	Oct. 02, 2018 USD ($) kg	Sep. 30, 2018 USD ($)	Jan. 31, 2018 USD ($)	Jan. 31, 2018 CNY (¥)	Apr. 30, 2017 USD ($)	Feb. 22, 2017 CNY (¥)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2018 CNY (¥)	Sep. 30, 2017 USD ($)	Sep. 30, 2017 CNY (¥)	Dec. 31, 2017 USD ($) kg	Dec. 31, 2017 CNY (¥)	Oct. 10, 2018 USD ($) g	Oct. 10, 2018 CNY (¥) g	Oct. 02, 2018 CNY (¥)	Sep. 30, 2018 g	Sep. 30, 2018 kg	Sep. 30, 2018 CNY (¥)	Sep. 30, 2018	Dec. 31, 2017 CNY (¥) kg	Jun. 08, 2017 USD ($) kg	Jun. 08, 2017 CNY (¥) kg	Feb. 20, 2017 USD ($) kg	Feb. 20, 2017 CNY (¥) kg	Jan. 13, 2017 USD ($) kg	Jan. 13, 2017 CNY (¥) kg	Nov. 29, 2016 USD ($)
Debt Instrument, Term		1 month							18 months	18 months
Gold Lease Outstanding															5,356	5,356		4,974	57,476
Line of Credit Facility, Maximum Borrowing Capacity		$ 145,600,000					$ 145,600,000		$ 145,600,000						$ 145,600,000	¥ 1.0				¥ 1,000.0
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate															10.50%	10.50%					11.00%
Notes Payable, Related Parties, Current \| $		72,798,218					72,798,218		72,798,218				$ 307,389,647
Repayments of Related Party Debt \| $									534,050,005		$ 609,711,305
Proceeds from Related Party Debt \| $									0		293,836,774
Due to Related Parties, Current		3,592,726					3,592,726		3,592,726				$ 2,630,301									¥ 94.6
Scenario, Forecast [Member]
Secured Debt	$ 91,300,000																¥ 627.3
Kangbo [Member]
Gold Lease Outstanding \| kg																									7,870	7,870
Gold Lease Remaining Outstanding \| kg																									2,355	2,355
Line of Credit Facility, Fair Value of Amount Outstanding		72,800,000					72,800,000		$ 72,800,000											500.0
Kangbo [Member] \| Scenario, Forecast [Member]
Addtional Gold Pledge \| kg	2,655
Wuhan Kangbo Biotech Limited [Member]
Debt Instrument, Term									12 months	12 months
Gold Lease Outstanding \| kg													10,225						2,655			10,225			4,755	4,755	5,470	5,470
Line of Credit Facility, Maximum Borrowing Capacity																									$ 145,600,000	¥ 1,000.0	$ 145,600,000	¥ 1,000.0
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate																									4.75%	4.75%	4.75%	4.75%
Secured Debt																									$ 163,800,000	¥ 1,100.0	$ 183,000,000	¥ 1,300.0
Notes Payable, Related Parties, Current		218,400,000					218,400,000		$ 218,400,000											1,500.0
Wuhan Kingold Industrial Group [Member]
Debt Instrument, Term			5 years	5 years	5 years	5 years
Line of Credit Facility, Maximum Borrowing Capacity					$ 1,350,000,000	¥ 800.0
Repayments of Related Party Debt				¥ 2,100.0					531,500,000	¥ 3,500.0	609,700,000	¥ 4,150.0
Proceeds from Related Party Debt			$ 305,800,000						443,100,000	2,900.0	756,600,000	¥ 5,150.0
Notes Payable, Related Parties		440,300,000					440,300,000		440,300,000				$ 553,300,000							3,000.0		¥ 3,600.0
Debt Instrument, Face Amount \| $																													$ 3,200,000,000
Wuhan Huatuan Technology Development Limited [Member]
Gold Lease Outstanding \| kg																			523				523	523
Line of Credit Facility, Maximum Borrowing Capacity																							$ 14,600,000	¥ 100.0
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate																							7.80%	7.80%
Secured Debt																							$ 19,100,000	¥ 124.4
Repayments of Related Party Debt									2,600,000	¥ 16.8			800,000	¥ 5.4
Interest Expense, Related Party \| $							237,276	$ 263,306	799,905		$ 311,385
Due to Related Parties, Current		$ 11,300,000					$ 11,300,000		$ 11,300,000				$ 14,500,000							¥ 77.8
Yantai Huanshan Road Branch of Evergrowing Bank [Member]
Gold Lease Outstanding \| g																		2,655