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Data Type:	xbrli:monetaryItemType
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Represents the interest rate for the note receivable.

No definition available.

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Data Type:	num:percentItemType
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For the additional percentage of subsidiary's or equity investee's stock available for sale, the percentage to be sold per transaction.

No definition available.

Name:	gblx_SaleOfStockPercentageOfAvailableStockForSalePercentToBeSoldPerTransaction
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Data Type:	num:percentItemType
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Percentage of subsidiary's or equity investee's stock sold in the stock transaction.

No definition available.

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The percentage of subsidiary's or equity investee's stock still available for sale.

No definition available.

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Amount of gain (loss) from deconsolidation of subsidiary and derecognition of group of assets constituting transfer of business or nonprofit activity, excluding conveyance of oil and gas mineral rights and transfer of good or service in contract with customer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

No definition available.

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Data Type:	num:percentItemType
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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
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-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585

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Disclosure of the unamortized amount of the discount on the note or receivable which is deducted from the face amount of the receivable or loan. The discount or premium is the difference between the present value and the face amount.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Yield on the receivable, on which interest has been imputed, as calculated from its issuance value or purchase price. The calculated effective interest rate considers factors such as the issued face value or price paid for the receivable, the time period between payments, and the time until maturity [full receipt] of the receivable.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 835
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Data Type:	num:percentItemType
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The receivable or note face amount less the unamortized discount or premium.

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Data Type:	xbrli:monetaryItemType
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Cash received on stock transaction after deduction of issuance costs.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Amount of consideration received by subsidiary or equity investee in exchange for shares of stock issued or sold. Includes amount of cash received, fair value of noncash assets received, and fair value of liabilities assumed by the investor.

No definition available.

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

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Name:	srt_OwnershipAxis=gblx_WellcanaGroupLLCMember
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