| Financial Information Relating To Continuing Operating Segments |
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2013
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2012
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Net revenues
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Production Monitoring
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$
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6,541
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$
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6,498
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Total
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6,541
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6,498
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Sales in foreign countries
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Production Monitoring
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932
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809
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Total
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932
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809
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Interest income
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Production Monitoring
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1
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1
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ESI Investment Company
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4
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3
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Total
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5
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4
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Depreciation expense
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Production Monitoring
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110
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71
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Total
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110
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71
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Capital purchases
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Production Monitoring
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23
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196
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Total
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23
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196
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Total assets
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Production Monitoring
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3,022
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3,016
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ESI Investment Company
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9,587
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10,322
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Total
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12,609
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13,338
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Income before income taxes
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Production Monitoring
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404
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845
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ESI Investment Company
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534
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797
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Total
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938
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1,642
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