XML 117 R72.htm IDEA: XBRL DOCUMENT v3.8.0.1
Property and equipment (Details 1) (Detail) - BRL (R$)
R$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Property and equipment is composed as follows      
Property and equipment R$ 11,065 R$ 10,889 R$ 4,558
Data processing equipment      
Property and equipment is composed as follows      
Property and equipment 5,615 5,910 3,882
Facilities      
Property and equipment is composed as follows      
Property and equipment 29 30 33
Machinery and equipment      
Property and equipment is composed as follows      
Property and equipment 4,788 4,294 408
Furniture and fittings      
Property and equipment is composed as follows      
Property and equipment 321 331 150
Leasehold improvements      
Property and equipment is composed as follows      
Property and equipment 224 234 85
Vehicles      
Property and equipment is composed as follows      
Property and equipment 88 90  
Cost      
Property and equipment is composed as follows      
Property and equipment 17,583 16,607 8,464
Cost | Data processing equipment      
Property and equipment is composed as follows      
Property and equipment 11,262 11,024 7,574
Cost | Facilities      
Property and equipment is composed as follows      
Property and equipment 53 53 52
Cost | Machinery and equipment      
Property and equipment is composed as follows      
Property and equipment 5,469 4,738 548
Cost | Furniture and fittings      
Property and equipment is composed as follows      
Property and equipment 397 397 190
Cost | Leasehold improvements      
Property and equipment is composed as follows      
Property and equipment 263 263 100
Cost | Vehicles      
Property and equipment is composed as follows      
Property and equipment 139 132  
Accumulated amortization      
Property and equipment is composed as follows      
Property and equipment (6,518) (5,718) (3,906)
Accumulated amortization | Data processing equipment      
Property and equipment is composed as follows      
Property and equipment (5,647) (5,114) (3,692)
Accumulated amortization | Facilities      
Property and equipment is composed as follows      
Property and equipment (24) (23) (19)
Accumulated amortization | Machinery and equipment      
Property and equipment is composed as follows      
Property and equipment (681) (444) (140)
Accumulated amortization | Furniture and fittings      
Property and equipment is composed as follows      
Property and equipment (76) (66) (40)
Accumulated amortization | Leasehold improvements      
Property and equipment is composed as follows      
Property and equipment (39) (29) R$ (15)
Accumulated amortization | Vehicles      
Property and equipment is composed as follows      
Property and equipment R$ (51) R$ (42)