2. SIGNIFICANT ACCOUNTING POLICIES (Details - Disaggregation of Revenue) - USD ($) $ in Thousands	Feb. 29, 2020	Feb. 23, 2019
Accounting Policies [Abstract]
Microcircuits	$ 1,828	$ 882
Optoeletronics	1,574	1,249
Sensors and Displays	2,555	1,674
Total Sales	5,957	3,805
Recognized at a point in time	5,093	3,522
Recognized over time	864	283
Total Revenue	$ 5,957	$ 3,805