ACCOUNTS RECEIVABLE AND ALLOWANCE FOR DOUBTFUL ACCOUNTS (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Jun. 30, 2017
Notes to Financial Statements
Beginning	$ 247	$ 270	$ 270
Additions charged to expenses	0	$ (16)	65
Recovered / written-off	(1)		(78)
Write-off	0		(2)
Currency translation effect	9		(8)
Ending	$ 255		$ 247