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Summary of Significant Accounting Policies and Estimates - Schedule of Contract Liabilities (Details) (10-K) - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Accounting Policies [Abstract]    
Balance $ 460,000 $ 1,297,000
New performance obligations 184,000 1,093,000
Revenue recognized   (1,928,000)
Balance 378,000 460,000
Less non-current portion (1,000) (2,000)
Current portion $ 377,000 $ 460,000