Basis of preparation and presentation (Details Textual)	12 Months Ended
Jun. 30, 2019	Jun. 30, 2018
Basis of preparation and presentation (Textual)
Discount rate	10.49%	11.17%
Intangible assets, estimated useful life	5 years
Current income tax	8.00%
Social contribution tax	12.00%
Deferred income tax rate	25.00%
Deferred social contribution tax rate	9.00%

The applicable income tax rate.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2019-01-01
-Paragraph 81
-Subparagraph c
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- Definition

The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2019-01-01
-Paragraph 134
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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- Definition

The useful life, measured as period of time, used for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 38
-IssueDate 2019-01-01
-Paragraph 118
-Subparagraph a
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- Definition

Deferred income tax rate.

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No definition available.

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- Definition

Deferred social contribution tax rate.

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- Definition

Social contribution tax.

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No definition available.

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