Segment Information (Tables)

12 Months Ended

Dec. 31, 2012

Financial Information Relating To Continuing Operating Segments



	2012		2011

Net revenues
Production Monitoring	$	6,498,000	$	6,115,000
ESI Investment Company		0		0
Total		6,498,000		6,115,000
Sales in foreign countries
Production Monitoring		809,000		633,000
ESI Investment Company		0		0
Total		809,000		633,000
Interest income
Production Monitoring		1,000		2,000
ESI Investment Company		3,000		4,000
Total		4,000		6,000
Depreciation expense
Production Monitoring		71,000		57,000
ESI Investment Company		0		0
Total		71,000		57,000
Capital purchases
Production Monitoring		196,000		82,000
ESI Investment Company		0		0
Total		196,000		82,000
Total assets
Production Monitoring		3,016,000		2,488,000
ESI Investment Company		10,322,000		9,440,000
Total		13,338,000		11,928,000
Income before income taxes
Production Monitoring		845,000		736,000
ESI Investment Company		797,000		73,000
Total		1,642,000		809,000

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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