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LINES OF CREDIT (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
TrioTech Intl Credit Facility [Member]    
Type of facility Lines of Credit Lines of Credit
Credit limitation $ 4,213 $ 4,183
Unused credit $ 4,213 $ 3,325
TrioTech Intl Credit Facility [Member] | Minimum [Member]    
Interest rate 1.85% 1.60%
TrioTech Intl Credit Facility [Member] | Maximum [Member]    
Interest rate 5.50% 5.50%
TrioTech Tianjin Credit Facility [Member]    
Type of facility Lines of Credit Lines of Credit
Credit limitation $ 1,492 $ 1,511
Unused credit $ 1,492 $ 437
TrioTech Tianjin Credit Facility [Member] | Minimum [Member]    
Interest rate 5.22% 5.22%
TrioTech Tianjin Credit Facility [Member] | Maximum [Member]    
Interest rate 6.30% 5.22%
Universal (Far East) Pte. Ltd    
Type of facility Lines of Credit Lines of Credit
Credit limitation $ 370 $ 367
Unused credit $ 183 $ 256
Universal (Far East) Pte. Ltd | Minimum [Member]    
Interest rate 1.85% 1.60%
Universal (Far East) Pte. Ltd | Maximum [Member]    
Interest rate 5.50% 5.50%