13. SEGMENT AND GEOGRAPHIC INFORMATION - Long-lived assets (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021
Net revenues and long-lived assets by geographic area
Long-lived assets	$ 7,359	$ 7,328
UNITED STATES
Net revenues and long-lived assets by geographic area
Long-lived assets	7,027	6,948
TAIWAN
Net revenues and long-lived assets by geographic area
Long-lived assets	86	92
ISRAEL
Net revenues and long-lived assets by geographic area
Long-lived assets	$ 246	$ 288