Significant Customers

12 Months Ended

Dec. 31, 2012

Risks and Uncertainties [Abstract]

Significant Customers

7.    Significant Customers:

The Company markets its products and services throughout the world to original equipment manufacturers (OEMs) and systems integrators in the building, industrial, transportation, utility/home, and other automation markets. During the years endedDecember 31, 2012, 2011 and 2010, the Company had four customers that accounted for a significant portion of its revenues: EBV Electronik GmbH and Avnet Europe Comm VA (“EBV/Avnet”), the Company’s primary distributors of its Sub-systems products in Europe, Duke Energy Corporation (“Duke”), a U.S. utility company; and Eltel Networks A/S (“Eltel”) and Telvent Energia y Medioambiente SA (“Telvent”), value added resellers of the Company’s Systems products. For the years endedDecember 31, 2012, 2011 and 2010 the percentage of the Company’s revenues attributable to sales made to these customers was as follows:

	Year ended 31 December
	2012		2011		2010
Telvent	29.7	%	15.7	%	2.8	%
Duke	13.7	%	27.2	%	6.3	%
Eltel	8.1	%	11.5	%	28.5	%
EBV/Avnet	8.1	%	9.5	%	12.8	%
Total	59.6	%	63.9	%	50.4	%

In April 2011, the Company’s distributor agreement with EBV was assigned from EBV to Avnet Europe Comm VA, a limited partnership organized under the laws of Belgium (“Avnet”). Each of EBV and Avnet are indirect subsidiaries of Avnet, Inc., a New York corporation, which is a distributor of electronic parts, enterprise computing and storage products and embedded subsystems. At the time of the assignment, the term of the distributor agreement was extended and will now expire in June 2014.