12. EMPLOYEE BENEFIT PLANS (Details)	12 Months Ended
	Mar. 31, 2017
Taiwan
Maximum amount employee can contribute (as a percent)	6.00%
Maximum amount employer can contribute (as a percent)	6.00%
Retirement Plan | United States
Maximum amount employee can contribute (as a percent)	15.00%
Pension Plan | Israel
Maximum amount employee can contribute (as a percent)	5.00%
Maximum amount employer can contribute (as a percent)	15.83%