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Summary of Significant Accounting Policies and Estimates - Schedule of Unamortized Installation Cost and Sales Commissions (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Balance, beginning $ 424
Incremental costs deferred 513
Deferred costs recognized (663)
Balance, ending 274
Installation Costs [Member]  
Balance, beginning 321
Incremental costs deferred 352
Deferred costs recognized (486)
Balance, ending 187
Sales Commissions [Member]  
Balance, beginning 103
Incremental costs deferred 161
Deferred costs recognized (177)
Balance, ending $ 87