9. SEGMENT AND GEOGRAPHIC INFORMATION (Details) $ in Thousands	3 Months Ended
	Jun. 30, 2016 USD ($) segment	Jun. 30, 2015 USD ($)
Net revenues and long-lived assets by geographic area
Revenue, Net	$ 12,946	$ 14,025
Number of reportable business segments | segment	1
United States
Net revenues and long-lived assets by geographic area
Revenue, Net	$ 4,825	5,948
China
Net revenues and long-lived assets by geographic area
Revenue, Net	3,232	3,798
Singapore
Net revenues and long-lived assets by geographic area
Revenue, Net	3,295	1,398
Netherlands
Net revenues and long-lived assets by geographic area
Revenue, Net	379	1,698
Rest of the world
Net revenues and long-lived assets by geographic area
Revenue, Net	$ 1,215	$ 1,183