ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: - Share-based Compensation (Details)	12 Months Ended
	Mar. 31, 2018
Incentive stock option | Minimum
Share-based compensation plans
Exercise price as a percentage of the per-share market value of the Company's shares at the date of grant	100.00%
Incentive stock option | Maximum
Share-based compensation plans
Duration of stock options granted	10 years
Nonqualified options | Maximum
Share-based compensation plans
Duration of stock options granted	10 years