9. STOCK COMPENSATION (Tables)

3 Months Ended

Jun. 30, 2019

Share-based Payment Arrangement [Abstract]

Share-baed compensation expense relating to RSU

	Three Months Ended June 30, 2019			Three Months Ended June 30, 2018
Vesting of stock options and restricted stock units	$	326,536		$	263,162
Total stock-based compensation expense	$	326,536		$	263,162
Weighted average number of common shares outstanding – basic and diluted		19,057,255			17,754,728
Basic and diluted loss per common share attributable to stock-based compensation expense	$	(0.02	)	$	(0.01	)

Options outstanding that have vested and are expected to vest

	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term in Years
Vested		325,047	$	8.18		3.60
Expected to vest		561,625	$	1.26		9.48
Total		886,672

Schedule of stock option activity

	Amount		Range of Exercise Price		Weighted Average Exercise Price
Stock options outstanding at March 31, 2019		886,672		$1.25-$12.50	$	3.79
Exercised		–	$	–	$	–
Granted		–	$	–	$	–
Cancelled/Expired		–	$	–	$	–
Stock options outstanding at June 30, 2019		886,672		$1.25 – $12.50	$	3.79
Stock options exercisable at June 30, 2019		325,047		$1.68 – $12.50	$	8.18