Related Party Balances and Transactions (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
May 25, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Related Party Balances and Transactions (Textual)
Revenues aggregated total amount		$ 73	$ 31	$ 139
Aggregate net amounts of lease and maintenance expenses		967	843	624
Reimbursement expenses		40
Administrative and IT services amount		32	39	35
Aggregate amounts		2	15	1
Salary expenses		108	$ 183	$ 180
Affiliates amount of related party		$ 4
Public Offering [Member]
Related Party Balances and Transactions (Textual)
Aggregate amounts	$ 21,279
Offering price	$ 11.00
Purchase of ordinary shares	200,000
Amount invested such of public offering	$ 2,200

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Amount of expense for administrative services provided to the limited liability company (LLC) or limited partnership (LP) by the managing member or general partner, affiliate of managing member or general partner, or affiliate of LLC or LP, for example, but not limited to, salaries, rent, or overhead costs.

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Costs of sales and operating expenses for the period incurred from transactions with related parties.

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Payments of cash to employees, including wages and salaries, during the current period.

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The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

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Amount of transactions with related party during the financial reporting period.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Amount of expense for salary and wage arising from service rendered by nonofficer and officer employees. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold.

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Price of a single share of a number of saleable stocks of a company.

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Number of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination.

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Value of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination.

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