OPTIONS AND WARRANTS TO PURCHASE COMMON STOCK (Details 5)	12 Months Ended
Dec. 31, 2019 $ / shares shares
Number of Options Outstanding	60,676,568
Options Outstanding, Weighted Average Remaining Contractual Life (Year)	6 years 2 months 23 days
Weighted Average Exercise Price, Outstanding \| $ / shares	$ 0.26
Number of Options Exercisable	53,034,901
Options Exercisable, Weighted Average Remaining Contracrual Life (Year)	6 years 7 days
Weighted Average Exercise Price, Exercisable \| $ / shares	$ 0.29
Range of Exercise Prices (0.04 - 0.08) [Member]
Number of Options Outstanding	42,403,623
Options Outstanding, Weighted Average Remaining Contractual Life (Year)	7 years 8 months 4 days
Weighted Average Exercise Price, Outstanding \| $ / shares	$ 0.06
Number of Options Exercisable	34,801,956
Options Exercisable, Weighted Average Remaining Contracrual Life (Year)	7 years 8 months 1 day
Weighted Average Exercise Price, Exercisable \| $ / shares	$ 0.06
Range of Exercise Prices (0.04 - 0.08) [Member] \| Maximum [Member]
Number of Options Exercisable	0.08
Range of Exercise Prices (0.04 - 0.08) [Member] \| Minimum [Member]
Number of Options Exercisable	0.04
Range of Exercise Prices (0.10 - 0.84) [Member]
Number of Options Outstanding	13,330,885
Options Outstanding, Weighted Average Remaining Contractual Life (Year)	2 years 11 months 1 day
Weighted Average Exercise Price, Outstanding \| $ / shares	$ 0.42
Number of Options Exercisable	13,290,885
Options Exercisable, Weighted Average Remaining Contracrual Life (Year)	2 years 11 months 1 day
Weighted Average Exercise Price, Exercisable \| $ / shares	$ 0.42
Range of Exercise Prices (0.10 - 0.84) [Member] \| Maximum [Member]
Number of Options Exercisable	0.84
Range of Exercise Prices (0.10 - 0.84) [Member] \| Minimum [Member]
Number of Options Exercisable	0.10
Range of Exercise Prices (1.10 - 1.90) [Member]
Number of Options Outstanding	4,942,060
Options Outstanding, Weighted Average Remaining Contractual Life (Year)	2 years 8 months 19 days
Weighted Average Exercise Price, Outstanding \| $ / shares	$ 1.63
Number of Options Exercisable	4,942,060
Options Exercisable, Weighted Average Remaining Contracrual Life (Year)	2 years 8 months 19 days
Weighted Average Exercise Price, Exercisable \| $ / shares	$ 1.63
Range of Exercise Prices (1.10 - 1.90) [Member] \| Maximum [Member]
Number of Options Exercisable	1.90
Range of Exercise Prices (1.10 - 1.90) [Member] \| Minimum [Member]
Number of Options Exercisable	1.10

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(iii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(2)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=amnl_ExercisePrice1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=amnl_ExercisePrice2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis=amnl_ExercisePrice3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: