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Revenue Recognition - Schedule of Contract Liabilities (Details)
6 Months Ended
Jun. 30, 2020
USD ($)
Revenue Recognition [Abstract]  
Balance at January 1, 2020 $ 460,000
New performance obligations 184,000
Revenue recognized (266,000)
Balance at June 30, 2020 378,000
Less non-current portion (1,000)
Current portion $ 377,000