Significant Customers

6 Months Ended

Jun. 30, 2013

Risks and Uncertainties [Abstract]

Significant Customers

5.    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 three and six months ended June 30, 2013 and 2012, the Company had six customers that accounted for a significant portion of its revenues: Avnet Europe Comm VA (“Avnet”), the Company’s primary distributors of its Sub-systems products in Europe, Duke Energy Corporation (“Duke”), a U.S. utility company; Enel Distribuzione Spa ("Enel"), an Italian utility company; and Ubitronix System Solutions GmBh ("Ubitronix"), Telvent Energia y Medioambiente SA (“Telvent”) and Eltel Networks A/S (“Eltel”), value added resellers of the Company’s Systems products. For the three and six months ended June 30, 2013 and 2012, the percentage of the Company’s revenues attributable to sales made to these customers was as follows:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2013		2012		2013		2012
Telvent	17.9	%	26.2	%	20.0	%	32.2	%
Avnet	12.4	%	6.5	%	12.5	%	7.0	%
Enel	16.9	%	3.8	%	12.2	%	2.2	%
Ubitronix	10.7	%	2.4	%	11.7	%	1.8	%
Duke	6.3	%	17.5	%	7.8	%	18.8	%
Eltel	3.0	%	13.7	%	1.7	%	8.1	%
Total	67.2	%	70.1	%	65.9	%	70.1	%