Aggregate limit of ordinary shares per calendar year.

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Expiration period of warrants.

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Deferred participation of BMS in R&amp;D expenses.

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Maximum Authorized Proceeds From Issuance Of Common Stock

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Percentage of closing price.

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Percentage of fair market value of ordinary shares at time of offering.

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Percentage of use of base salary to purchase ordinary shares.

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Share Based Compensation Arrangement By Share Based Payment Award Award Expiration Period

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Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Number of warrants or rights outstanding.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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This element represents the aggregate cost of investments accounted for under the equity method of accounting.

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A description of the time period when the company made its initial offering of a class of securities.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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The cash inflow associated with the amount received from entity's first offering of stock to the public.

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The cash inflow associated with the amount received from holders exercising their stock warrants.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

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Per share or per unit amount of equity securities issued.

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Number of new stock issued during the period.

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SHAREHOLDERS' EQUITY (Share Option Plans) (Narrative) (Details) $ / shares in Units, $ in Thousands				1 Months Ended		12 Months Ended
	Apr. 14, 2020 shares	Oct. 10, 2018 USD ($) $ / shares	Jun. 14, 2018 USD ($) $ / shares shares	Mar. 16, 2020 $ / shares shares	May 25, 2018 USD ($)	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 USD ($) $ / shares	Dec. 31, 2020 ₪ / shares	Dec. 31, 2019 ₪ / shares	May 25, 2018 ₪ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair value of stock options granted \| $ / shares						$ 7.15	$ 1.73	$ 1.56
Unrecognized share-based compensation expense						$ 11,236
Unrecognized compensation cost, recognition period						3 years 4 months 24 days
Ordinary shares, par value \| ₪ / shares									₪ 0.01	₪ 0.01
Ordinary shares, shares authorized \| shares						200,000,000	200,000,000
Proceeds from warrant exercised						$ 18,325
Equity investment						12,000
Deferred participation of BMS in R&D expenses						$ 4,121
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ordinary shares reserved for issuance \| shares						600,000
Ordinary shares available for issuance \| shares						600,000
Offering period						five months
Percentage of use of base salary to purchase ordinary shares						15.00%
Aggregate limit of ordinary shares per calendar year \| $ / shares						$ 40
Percentage of fair market value of ordinary shares at time of offering						85.00%
Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value of exercised options						$ 21,610	979	$ 1,521
2000 and 2010 Share Option Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ordinary shares reserved for issuance \| shares						12,395,152
Ordinary shares available for issuance \| shares						2,366,351
Vesting period						4 years
Award expiration period						10 years
Warrant [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ordinary shares, shares authorized \| shares						3,866,139
Warrants purchase to ordinary shares remain outstanding \| shares						387,026
Proceeds from warrant exercised						$ 18,325
At The Market Offering Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ordinary shares, par value \| ₪ / shares											₪ 0.01
Proceeds from issuance of common stock					$ 25,000		$ 22,914
Issuance of shares, net, shares \| shares							7,245,268
Issuance expenses							$ 781
Agreement [Member] \| Registered direct offering [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Offering price per share \| $ / shares			$ 3.95
Proceeds from issuance of common stock			$ 19,767
Ordinary shares, shares authorized \| shares			5,316,457
Warrants purchase to ordinary shares \| shares			4,253,165
Exercise price of warrants \| $ / shares			$ 4.74
Expiration period of warrants			5 years
Issuance expenses			$ 1,233
Master Clinical Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Offering price per share \| $ / shares		$ 4.95
Proceeds from issuance of common stock		$ 2,424,243
Equity investment		$ 12,000
Percentage of closing price		33.00%
Collaborative Arrangements [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from issuance of common stock						7,788
Issuance expenses						$ 91
SVB Leerink LLC and Stifel, Nicolaus & Company [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Offering price per share \| $ / shares				$ 9.00
Issuance of shares, net, shares \| shares				8,333,334		8,816,339
Issuance expenses						$ 5,200
Proceeds from ordinary shares in offering						$ 74,147
SVB Leerink LLC and Stifel, Nicolaus & Company [Member] \| Underwriters [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Offering price per share \| $ / shares				$ 8.46
Issuance of shares, net, shares \| shares	483,005