13. SEGMENT INFORMATION (Details) - USD ($) $ in Thousands	Feb. 28, 2019	May 31, 2018
Property and equipment, net	$ 975	$ 1,203	[1]
US
Property and equipment, net	934	1,156
Asia
Property and equipment, net	39	40
Europe
Property and equipment, net	$ 2	$ 7

[1] The condensed consolidated balance sheet at May 31, 2018 has been derived from the audited consolidated financial statements at that date.