Segment Information (Details) - Schedule of sales by product type - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Revenue from External Customer [Line Items]
Total revenue	$ 4,061	$ 3,616
Optical [Member]
Revenue from External Customer [Line Items]
Total revenue	4,061	3,611
Core [Member]
Revenue from External Customer [Line Items]
Total revenue		$ 5

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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+ Details