ACCUMULATED OTHER COMPREHENSIVE LOSS (Schedule of Changes in AOCI) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Jun. 30, 2016
Beginning balance	$ 271	$ (611)	$ (324)	$ (222)
Other comprehensive income (loss) before reclassifications	(278)	(19)	707	661
Losses (gains) reclassified from accumulated other comprehensive income (loss)	(317)	106	(994)	(168)
Net current period other comprehensive income (loss)	(595)	87	(287)	493
Ending balance	(324)	(524)	(611)	271
Available-for-sale Securities [Member]
Beginning balance	57	(433)	(136)
Other comprehensive income (loss) before reclassifications	(193)	(360)	(297)	56
Losses (gains) reclassified from accumulated other comprehensive income (loss)		137		1
Net current period other comprehensive income (loss)	(193)	(223)	(297)	57
Ending balance	(136)	(656)	(433)	57
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Beginning balance	243		19
Other comprehensive income (loss) before reclassifications	93	31	975	412
Losses (gains) reclassified from accumulated other comprehensive income (loss)	(317)	(31)	(994)	(169)
Net current period other comprehensive income (loss)	(224)		(19)	243
Ending balance	19			243
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Beginning balance	(29)	(178)	(207)	(222)
Other comprehensive income (loss) before reclassifications	(178)	310	29	193
Losses (gains) reclassified from accumulated other comprehensive income (loss)
Net current period other comprehensive income (loss)	(178)	310	29	193
Ending balance	$ (207)	$ 132	$ (178)	$ (29)