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Summary of Significant Accounting Policies (Details) - Schedule of inventory - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Schedule of inventory [Abstract] |  |
Raw materials | $ 550 | $ 396
Work-in-process | 21 | 186
Finished goods | 702 | 448
Ending inventory | $ 1,273 | $ 1,030

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