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Summary of Significant Accounting Policies (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020		Dec. 31, 2019
Reclassification from interest expense			$ 6
Charged to expense	$ 21		14
Allowance for doubtful accounts	9		11
Impairment charges
Capitalized costs	87		163
Lease obligation liability	542	[1]	595
Deposited cash and cash equivalents	2,063
Penalties and interest accrued
Unrecognized tax benefits
Weighted average number of options and warrants	409,626		3,368,013
Weighted average exercise price of options and warrants	$ 0.84
Selling, General and Administrative Expenses [Member]
Advertising expenses	$ 15		$ 17
Omni Metrix [Member]
Estimated life of the customer relationship	3 years
Advance payment for monitoring fees, term	12 months
Subsidiaries [Member]
Percentage of controlled interest	50.00%
[1] Includes current portion of approximately $99,000 for operating leases.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

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