Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies - Schedule of Allowance for Doubtful Accounts (Details)

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Significant Accounting Policies - Schedule of Allowance for Doubtful Accounts (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Accounting Policies [Abstract]    
Beginning balance $ 189,000 $ 185,000
Provision 118,000 724,000
Recoveries 316,000
Write-offs (367,000) (720,000)
Ending balance $ 256,000 $ 189,000