SUBSEQUENT EVENTS (Details) - USD ($)	Jul. 16, 2021	Apr. 18, 2021
Colorado and Oregon Sellers
SUBSEQUENT EVENTS
Cash payment of consideration		$ 2,000,000
Consideration payable in equal monthly amounts		3,000,000
Equal monthly payments		$ 125,000
Period of equal monthly payments		24 months
Stock issued in exchange for purchase of assets (in shares)		38,745,193
Discontinued Operations, Held-for-sale \| Next Big Crop
SUBSEQUENT EVENTS
Percentage of profits generated	10.00%
Period for percentage of profit	twelve months
Discontinued Operations, Held-for-sale \| Next Big Crop \| Subsequent Event
SUBSEQUENT EVENTS
Payment by payable upon signing	$ 75,000
Payable within one year	$ 75,000
Percentage of profits generated	10.00%
Period for percentage of profit	twelve months

Amount of monthly payments to be transferred as consideration in asset acquisition.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of consideration payable in equal monthly amounts in asset acquisition.

+ References

No definition available.

+ Details

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Namespace Prefix:	cann_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of consideration transferred in asset acquisition in cash.

+ References

No definition available.

+ Details

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Namespace Prefix:	cann_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Period of Equal Monthly Payments of consideration.

+ References

No definition available.

+ Details

Name:	cann_AssetAcquisitionPeriodOfEqualMonthlyPayments
Namespace Prefix:	cann_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of consideration payable by the buyer within one year of closing the asset purchase agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	cann_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of consideration payable by the buyer upon signing of the asset purchase agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	cann_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of profits generated by the seller in the given states to be paid as consideration for a certain period.

+ References

No definition available.

+ Details

Name:	cann_DisposalGroupIncludingDiscontinuedOperationConsiderationPercentageOfProfitsGenerated
Namespace Prefix:	cann_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period from closing for which the percentage of profits generated by the seller in the given states to be paid as consideration.

+ References

No definition available.

+ Details

Name:	cann_DisposalGroupIncludingDiscontinuedOperationPeriodForWhichPercentageOfProfitsShouldBePaidAsConsideration
Namespace Prefix:	cann_
Data Type:	us-types:durationStringItemType
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Period Type:	duration

- Definition

Number of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Period Type:	duration

- Details

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- Details

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- Details

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