Allowance for doubtful accounts

12 Months Ended

Mar. 31, 2017

Accounting Policies [Abstract]

Allowance for doubtful accounts

2 Allowance for doubtful accounts

Allowance for doubtful accounts amounted to $nil as of March 31, 2017 (2016: $1,415,000).  Most of the Company’s trade receivables are generally unsecured.