Debt	12 Months Ended
Dec. 31, 2017
Debt Disclosure [Abstract]
Debt	NOTE 12—DEBT (a) OmniMetrix In February 2016, OmniMetrix signed a Loan and Security Agreement with a lender providing OmniMetrix with access to accounts receivable formula-based financing of up to $500. In connection with this financing arrangement, OmniMetrix granted the lender a security interest in OmniMetrix’s receivables, inventory and certain other assets. Debt incurred under this financing arrangement bore interest at the greater of prime (3.75% at December 31, 2016) plus 2% or 6% per year. In addition, OmniMetrix was to pay a monthly service charge of 1.125% of the average aggregate principal amount outstanding for the prior month, for a current effective rate of interest on advances of 19.5%. In September 2016, the abovementioned Loan and Security Agreement was amended to reflect a reduced monthly service charge of 1.0% and modified formula determining the amount available from 80% of eligible hardware invoices and 40% of eligible monitoring invoices to 75% of all eligible invoices. In return, OmniMetrix agreed to maintain a minimum loan balance of $150 in its line-of-credit with the lender for a minimum of one year beginning October 1, 2016. In October 2017, OmniMetrix renewed its Loan and Security Agreement providing OmniMetrix with access to accounts receivable formula-based financing of the lesser of 75% of eligible receivables or $1,000. Debt incurred under this financing arrangement bears interest at the greater of prime (4.50% at December 31, 2017) plus 2% or 6% per year. In addition, OmniMetrix is to pay a monthly service charge of 0.9% of the average aggregate principal amount outstanding for the prior month, for a current effective rate of interest on advances of 17.3%. OmniMetrix also agreed to continue to maintain a minimum loan balance of $150 in its line-of-credit with the lender for a minimum of one year beginning November 1, 2017. OmniMetrix had an outstanding balance of $313 and $376 as of December 31, 2017 and 2016, respectively, pursuant to the Loan and Security Agreement. OmniMetrix availability under the Loan and Security agreement was $182 at December 31, 2017.

Debt

12 Months Ended

Dec. 31, 2017

NOTE 12—DEBT

(a) OmniMetrix

In February 2016, OmniMetrix signed a Loan and Security Agreement with a lender providing OmniMetrix with access to accounts receivable formula-based financing of up to $500. In connection with this financing arrangement, OmniMetrix granted the lender a security interest in OmniMetrix’s receivables, inventory and certain other assets. Debt incurred under this financing arrangement bore interest at the greater of prime (3.75% at December 31, 2016) plus 2% or 6% per year. In addition, OmniMetrix was to pay a monthly service charge of 1.125% of the average aggregate principal amount outstanding for the prior month, for a current effective rate of interest on advances of 19.5%.

In September 2016, the abovementioned Loan and Security Agreement was amended to reflect a reduced monthly service charge of 1.0% and modified formula determining the amount available from 80% of eligible hardware invoices and 40% of eligible monitoring invoices to 75% of all eligible invoices. In return, OmniMetrix agreed to maintain a minimum loan balance of $150 in its line-of-credit with the lender for a minimum of one year beginning October 1, 2016.

In October 2017, OmniMetrix renewed its Loan and Security Agreement providing OmniMetrix with access to accounts receivable formula-based financing of the lesser of 75% of eligible receivables or $1,000. Debt incurred under this financing arrangement bears interest at the greater of prime (4.50% at December 31, 2017) plus 2% or 6% per year. In addition, OmniMetrix is to pay a monthly service charge of 0.9% of the average aggregate principal amount outstanding for the prior month, for a current effective rate of interest on advances of 17.3%. OmniMetrix also agreed to continue to maintain a minimum loan balance of $150 in its line-of-credit with the lender for a minimum of one year beginning November 1, 2017.

OmniMetrix had an outstanding balance of $313 and $376 as of December 31, 2017 and 2016, respectively, pursuant to the Loan and Security Agreement. OmniMetrix availability under the Loan and Security agreement was $182 at December 31, 2017.