7. STOCK-BASED COMPENSATION PLAN (Details) - Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range	6 Months Ended
	Sep. 30, 2016 $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding and Expected to Vest, Number Outstanding	1,912,124
Options Outstanding and Expected to Vest, Weighted Average Remaining Contractual Life	4 years 73 days
Options Exercisable, Number Exercisable	1,431,862
Options Exercisable, Weighted Average Remaining Contractual Life	4 years 73 days
Option Range of Exercise Prices, $3.44 - $4.99 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Limit | $ / shares	$ 3.44
Exercise Price Range, Upper Limit | $ / shares	$ 4.99
Options Outstanding and Expected to Vest, Number Outstanding	303,403
Options Outstanding and Expected to Vest, Weighted Average Remaining Contractual Life	2 years
Options Exercisable, Number Exercisable	241,737
Options Exercisable, Weighted Average Remaining Contractual Life	1 year 328 days
Option Range of Exercise Prices, $5.00 - $7.50 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Limit | $ / shares	$ 5.00
Exercise Price Range, Upper Limit | $ / shares	$ 7.50
Options Outstanding and Expected to Vest, Number Outstanding	1,603,721
Options Outstanding and Expected to Vest, Weighted Average Remaining Contractual Life	4 years 219 days
Options Exercisable, Number Exercisable	1,185,125
Options Exercisable, Weighted Average Remaining Contractual Life	4 years 219 days
Option Range of Exercise Prices, $7.51 - 20.00 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range, Lower Limit | $ / shares	$ 7.51
Exercise Price Range, Upper Limit | $ / shares	$ 20.00
Options Outstanding and Expected to Vest, Number Outstanding	5,000
Options Outstanding and Expected to Vest, Weighted Average Remaining Contractual Life	109 days
Options Exercisable, Number Exercisable	5,000
Options Exercisable, Weighted Average Remaining Contractual Life	73 days