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Revenue Recognition - Schedule of Contract Liabilities (Details)
9 Months Ended
Sep. 30, 2020
USD ($)
Revenue Recognition [Abstract]  
Balance at January 1, 2020 $ 462,000
New performance obligations 198,000
Revenue recognized (540,000)
Balance at September 30, 2020 120,000
Less non-current portion
Current portion $ 120,000