11. OTHER ASSETS - Other assets (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Down payment for purchase of investment properties	$ 1,645	$ 1,645
Down payment for purchase of property, plant and equipment	280	113
Deposit for rental and utilities	139	138
Currency translation effect	(142)	(108)
Ending balance	$ 1,922	$ 1,788