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16. Cash and cash equivalents (Details) - ARS ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
SummaryOfCashAndCashEquivalentsLineItems [Line Items]
Cash and cash equivalents	$ 27,608	$ (375,345)
Cash and banks
SummaryOfCashAndCashEquivalentsLineItems [Line Items]
Cash and cash equivalents	$ 27,608	$ 122,349

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- References

No definition available.

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- Definition

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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