Property, plant and equipment, net (Details) - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Mar. 31, 2018 |
|
| Property, plant and equipment, net | |||
| Property, plant and equipment , gross | $ 732 | $ 626 | |
| Less: Accumulated depreciation and amortization | (289) | (256) | |
| Property, plant and equipment , net | 443 | 370 | |
| Depreciation and amortization expense | 33 | $ 23 | |
| Leasehold improvements | |||
| Property, plant and equipment, net | |||
| Property, plant and equipment , gross | 154 | 154 | |
| Office equipment | |||
| Property, plant and equipment, net | |||
| Property, plant and equipment , gross | 49 | 49 | |
| Computer equipment | |||
| Property, plant and equipment, net | |||
| Property, plant and equipment , gross | 91 | 87 | |
| Plant and laboratory equipment | |||
| Property, plant and equipment, net | |||
| Property, plant and equipment , gross | $ 438 | $ 336 | |