TAXES ON INCOME (Schedule of Current Taxes on Income) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2014	Jun. 30, 2013	Jun. 30, 2012
Reconciliation of tax expenses:
Loss before taxes on income, as reported in the statements of operations	$ 9,326	$ 25,083	$ 29,250	$ 17,583
Theoretical tax benefit	(3,171)	(8,529)	(9,945)	(5,984)
Increase in tax benefit resulting from permanent differences	164	390	1,613	1,448
Increase (decrease) in taxes on income resulting from the computation of deferred taxes at a rate which is different from the theoretical rate, and other	(171)	2,038	205	(75)
Increase (decrease) in uncertain tax positions - net				(71)
Difference between income reported for tax purposes and income for financial reporting purposes - net		1,100
Decrease in theoretical tax benefit resulting from subsidiaries different tax rate	(14)	(73)	(61)	1,408
Change in corporate tax rates	(121)			(245)
Change in valuation allowance	3,323	5,086	8,196	3,533
Total tax expenses	10	12	8	14
Changes in valuation allowance:
Valuation allowance, balance	16,246	19,569	8,050	4,517
Changes during the year	3,323	5,086	8,196	3,533
Valuation allowance, balance	$ 19,569	$ 24,655	$ 16,246	$ 8,050