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Revenue (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Revenue | $ 5,922 | $ 5,490
Data costs (COGS) | 1,791 | 1,900
Other current assets | 126 | 189
Capitalized Sales Commissions [Member] |  |
Other current assets | 90 | 60
Other assets | 87 | 78
Other Revenue Related To Revenue From Sales of Custom Design Hardware, Accessories, Repairs and Other Miscellaneous Charges [Member] |  |
Revenue | 414 | 196
Monitoring Services [Member] |  |
Data costs (COGS) | 608 | 544
Miscellaneous Revenue from Sales of Custom Design Hardware, Accessories and Repairs [Member] |  |
Data costs (COGS) | $ 262 | $ 110

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