| Current | Previous | ||
| Research and development expense | |||
| Intangible assets acquired by way of government grant, fair value initially recognised | |||
| Intangible assets acquired by way of government grant | |||
| Intangible assets whose title is restricted | |||
| Intangible assets pledged as security for liabilities | |||
| Contractual commitments for acquisition of intangible assets | |||