21. Net Gain on Trading Securities (Tables)

12 Months Ended

Mar. 31, 2018

Gain (Loss) on Investments [Abstract]

Schedule of net gains on trading securities

	Year ended March 31, 2018		Year ended March 31, 2017 (Recast)
Net gain recognized during the period on trading securities sold during the period	$	17,314	$	5,322
Net unrealized gain recognized during the reporting period on trading securities still held at the reporting date		16,432		5,484
Net gain recognized during the period on trading securities	$	33,746	$	10,806