SUBSEQUENT EVENTS (Details) - Subsequent Event - USD ($)	Apr. 20, 2021	Apr. 18, 2021
Convertible Note
SUBSEQUENT EVENTS
Aggregate principal amount	$ 2,300,000
Convertible note offering amount	$ 4,600,000
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

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

No definition available.

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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_
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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_
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Balance Type:	credit
Period Type:	duration

- Definition

Period of Equal Monthly Payments of consideration.

+ References

No definition available.

+ Details

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- Definition

The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586

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Balance Type:	credit
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

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Balance Type:	credit
Period Type:	instant

- 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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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.

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- Details

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