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Financial instruments risk, Liquidity risk and Dissolution of Company risk (Details) - MXN ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Liquidity risk [Abstract]    
Trade payables $ 262,090 $ 169,072
Accounts payable and accrued expenses 357,523 341,918
Financial debt $ 615,425 $ 898,618
Liquidity Risk [Member]    
Liquidity risk [Abstract]    
Percentage of financial liabilities due in next 12 months 36.00% 56.00%
Liquidity Risk [Member] | In 6 Months [Member]    
Liquidity risk [Abstract]    
Trade payables $ 0 $ 0
Accounts payable and accrued expenses 0 0
Financial debt 83,185 333,814
Financial liabilities 83,185 333,814
Liquidity Risk [Member] | 6 to 12 Months [Member]    
Liquidity risk [Abstract]    
Trade payables 240,090 169,072
Accounts payable and accrued expenses 357,523 366,918
Financial debt 140,177 168,547
Financial liabilities 737,790 704,537
Liquidity Risk [Member] | 1 to 4 Years [Member]    
Liquidity risk [Abstract]    
Financial debt 392,063 396,257
Financial liabilities 392,063 396,257
Liquidity Risk [Member] | More than 4 Years [Member]    
Liquidity risk [Abstract]    
Financial debt 0 0
Financial liabilities $ 0 $ 0