4. Inventories
| 3/31/2019 | 12/31/2018 | |||
| (€ in thousands) | ||||
| Raw materials and merchandise | 4,218 | 4,628 | ||
| Work in progress | 6,938 | 5,436 | ||
| Total | 11,156 | 10,064 | ||
5. Property, plant and equipment, net
| 3/31/2019 | 12/31/2018 (1) | |||
| (€ in thousands) | ||||
| Land, buildings and leasehold improvements | 21,772 | 17,085 | ||
| Plant and machinery (2018: includes assets under finance lease) | 8,713 | 9,072 | ||
| Other facilities, factory and office equipment | 1,742 | 1,502 | ||
| Assets under construction and prepayments made | 28 | 16 | ||
| Total | 32,255 | 27,675 | ||
| Thereof pledged assets of Property, Plant and Equipment | 7,015 | 6,691 | ||
| Leased assets included in Property, Plant and Equipment: | 189 | 357 | ||
| Printers leased to customers under operating lease | 189 | 208 | ||
| Other factory equipment | -- | 149 | ||
