Related Party Balances and Transactions (Details 1) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Related Party Transaction [Line Items]
Revenues	$ 33,010	$ 34,050	$ 37,233
Expenses:
Cost of revenues	9,917	8,866	10,488
Operating expenses:
Research and development, net	18,578	15,503	10,562
Sales and marketing, net	10,514	11,426	10,996
General and administrative	3,674	3,391	4,191
Related Party [Member]
Related Party Transaction [Line Items]
Revenues		16,369	24,559
Expenses:
Cost of revenues	297	163	201
Operating expenses:
Research and development, net	716	507	371
Sales and marketing, net	155	212	217
General and administrative	177	191	293
Capital expenses	$ 12	$ 40	$ 9

Capital expenses.

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- Definition

The aggregate cost of goods produced and sold and services rendered during the reporting period.

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The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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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 revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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The aggregate total amount of expenses directly related to the marketing or selling of products or services.

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