Summary of significant accounting policies (Tables)
 3 Months Ended
Jun. 30, 2018
Summary of significant accounting policies  
Schedule of estimated useful life of property, plant and equipment

 

 

 

 

    

Estimated Useful life

Office equipment

 

5 years

Computer equipment

 

3 years

Plant and laboratory equipment

 

5 years

Leasehold improvements

 

Lesser of lease term or 10 years