COMMITMENTS AND CONTINGENCIES - Additional Information (Details)	12 Months Ended
Jun. 30, 2019 USD ($) item	Jun. 30, 2018 USD ($)
Long-term Purchase Commitment [Line Items]
Additional lease period	5 years
Lease payments per month	$ 6,500
Percentage of base rent to be increased	30.00%
Rental expense	$ 78,000	$ 78,000
Raw material
Long-term Purchase Commitment [Line Items]
Raw materials purchase commitments, number of vendors \| item	5
Raw materials purchase commitments	$ 216,900

It represents the option to extend lease term after the given expiration date.

No definition available.

Name:	csgn_ExtendedAdditionalLeasePeriod
Namespace Prefix:	csgn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of per month rental payments to be made during the given period of time.

+ References

No definition available.

+ Details

Name:	csgn_OperatingLeasePaymentPerMonth
Namespace Prefix:	csgn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The number of vendors to whom the raw materials purchase commitments is made by the entity.

+ References

No definition available.

+ Details

Name:	csgn_RawMaterialsPurchaseCommitmentNumberOfVendors
Namespace Prefix:	csgn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents threshold limit of percentage required for increase in base rent.

+ References

No definition available.

+ Details

Name:	csgn_ThresholdLimitOfPercentageRequiredForBaseRentToBeIncreased
Namespace Prefix:	csgn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermPurchaseCommitmentAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermPurchaseCommitmentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717

+ Details

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

- Details

Name:	us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=us-gaap_InventoriesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: