3. General and Administrative Costs

in thousands of EUR	2017	2016

Salaries & wages	3,220	4,371
Share-based payments	3,576	6,331
Social security	576	334
Pension costs	338	101
Other employee-related costs	631	805
Professional fees	1,856	1,487
Other costs	928	1,705
	11,125	15,134