CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
CURRENT ASSETS:
Cash and cash equivalents	$ 47,958	$ 54,767
Accounts receivable - Trade	1,816us-gaap_AccountsReceivableNetCurrent	1,884us-gaap_AccountsReceivableNetCurrent
Other assets	2,931us-gaap_OtherAssetsCurrent	2,202us-gaap_OtherAssetsCurrent
Inventories	6,879us-gaap_InventoryNet	6,667us-gaap_InventoryNet
Total current assets	59,584us-gaap_AssetsCurrent	65,520us-gaap_AssetsCurrent
FUNDS IN RESPECT OF EMPLOYEE RIGHTS UPON RETIREMENT	1,520	1,555
PROPERTY AND EQUIPMENT, NET	10,839us-gaap_PropertyPlantAndEquipmentNet	11,282us-gaap_PropertyPlantAndEquipmentNet
DEFERRED CHARGES	105us-gaap_DeferredCosts	113us-gaap_DeferredCosts
Total assets	72,048us-gaap_Assets	78,470us-gaap_Assets
Accounts payable and accruals:
Trade	5,195us-gaap_AccountsPayableTradeCurrent	3,951us-gaap_AccountsPayableTradeCurrent
Other	14,282us-gaap_AccountsPayableOtherCurrent	15,496us-gaap_AccountsPayableOtherCurrent
Deferred revenues	7,072us-gaap_DeferredRevenueCurrent	6,763us-gaap_DeferredRevenueCurrent
Total current liabilities	26,549us-gaap_LiabilitiesCurrent	26,210us-gaap_LiabilitiesCurrent
LONG TERM LIABILITIES:
Convertible notes	67,566us-gaap_ConvertibleDebtNoncurrent	67,464us-gaap_ConvertibleDebtNoncurrent
Deferred revenues	36,890us-gaap_DeferredRevenueNoncurrent	37,232us-gaap_DeferredRevenueNoncurrent
Liability in connection with collaboration operation		912us-gaap_LongTermDebtNoncurrent
Liability for employee rights upon retirement	2,197	2,253
Total long term liabilities	106,653us-gaap_LiabilitiesNoncurrent	107,861us-gaap_LiabilitiesNoncurrent
Total liabilities	133,202us-gaap_Liabilities	134,071us-gaap_Liabilities
COMMITMENTS
CAPITAL DEFICIENCY	(61,154)us-gaap_StockholdersEquity	(55,601)us-gaap_StockholdersEquity
Total liabilities net of capital deficiency	$ 72,048	$ 78,470

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