Research and Development Expenses, Net - Schedule of Research and Development Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Share-based compensation	$ 1,937	$ 1,099
Research and development expense	3,396	3,048
Research and Development Expense [Member]
Payroll and related expenses	1,596	1,404
Share-based compensation	121	131
Professional services	761	585
Materials	273	545
Patents	255	79
Rent	195	178
Office and maintenance expenses	94	61
Depreciation	64	76
Other	37	17
Less: Grants received from IIA & EC		(28)
Research and development expense	$ 3,396	$ 3,048

Office and maintenance expenses.

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Revenues from grants.

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Cost of material used for good produced and service rendered.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.

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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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Amount of expense classified as other.

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A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.

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Amount of noncash expense for share-based payment arrangement.

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