Amount awarded from other party, including accrued interest, in judgment or settlement of litigation.

No definition available.

Name:	acan_LitigationSettlementAmountAwardedFromOtherPartyIncludingInterest
Namespace Prefix:	acan_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Interest rate directly attributable to an award in settlement of litigation.

+ References

No definition available.

+ Details

Name:	acan_LitigationSettlementAmountAwardedReceivableFromOtherPartyInterestRate
Namespace Prefix:	acan_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount awarded from other party in judgment or settlement of litigation.

+ References

No definition available.

+ Details

Name:	us-gaap_LitigationSettlementAmountAwardedFromOtherParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Interest expense (income) directly attributable to an award in settlement of litigation.

+ References

No definition available.

+ Details

Name:	us-gaap_LitigationSettlementInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(5))
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	srt_CounterpartyNameAxis=acan_WellnessGroupPharmsLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=acan_DemandForArbitrationAgainstWGPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 4 - Notes Receivable (Details Textual) - USD ($)			3 Months Ended	12 Months Ended
Note 4 - Notes Receivable (Details Textual) - USD ($)	Feb. 05, 2020	Jan. 18, 2018	Dec. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Accounts Receivable, Credit Loss Expense (Reversal)			$ (1,761,675)	$ (1,761,675)	$ 783,905
Proceeds from Collection of Notes Receivable				$ 29,251	$ 28,001
Wellness Group Pharms LLC [Member]
Proceeds from Collection of Notes Receivable	$ 2,069,138
Demand for Arbitration against WGP [Member]
Litigation Settlement, Amount Awarded from Other Party		$ 1,045,000
Litigation Settlement, Amount Awarded Receivable from Other Party, Interest Rate		18.00%
Litigation Settlement Interest		$ (550,000)
Litigation Settlement, Amount Awarded from Other Party, Including Interest		$ 1,595,000