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Selected Statements of Operations Data (Details) - Schedule of major customer percentage of revenue
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Selected Statements of Operations Data (Details) - Schedule of major customer percentage of revenue [Line Items]      
Percentage of total revenues 93.00% 83.00% 81.00%
Customer A [Member]      
Selected Statements of Operations Data (Details) - Schedule of major customer percentage of revenue [Line Items]      
Percentage of total revenues 53.00% 41.00% 48.00%
Customer B [Member]      
Selected Statements of Operations Data (Details) - Schedule of major customer percentage of revenue [Line Items]      
Percentage of total revenues 11.00% 20.00% 18.00%
Customer C [Member]      
Selected Statements of Operations Data (Details) - Schedule of major customer percentage of revenue [Line Items]      
Percentage of total revenues 29.00% 22.00%  
Customer D [Member]      
Selected Statements of Operations Data (Details) - Schedule of major customer percentage of revenue [Line Items]      
Percentage of total revenues     15.00%