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Revenue (Details Narrative) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Revenue $ 1,338 $ 1,327  
Other current assets 136   $ 189
Capitalized Sales Commissions [Member]      
Other current assets 76   60
Other assets 69   $ 78
Other Revenue Related to Accessories, Repairs and Other Miscellaneous Charges [Member]      
Revenue 72    
Other Cost of Good Sold Related to Accessories, Repairs and Other Miscellaneous Charges [Member]      
Cost of goods sold 63    
Monitoring Services [Member]      
Cost of goods sold $ 145