Significant Customers

9 Months Ended

Sep. 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 nine months ended September 30, 2013 and 2012, the Company had seven 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; Ericsson AB ("Ericsson"), a Swedish 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 nine months ended September 30, 2013 and 2012, the percentage of the Company’s revenues attributable to sales made to these customers was as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2013		2012		2013		2012
Telvent	8.0	%	22	%	16.8	%	29.5	%
Avnet	17.1	%	8.4	%	13.8	%	7.4	%
Enel	14.0	%	6.1	%	12.6	%	3.2	%
Ubitronix	4.7	%	3.1	%	9.8	%	2.1	%
Duke	1.1	%	9.6	%	6.0	%	16.4	%
Ericsson	12.8	%	—	%	3.4	%	—	%
Eltel	0.2	%	13.7	%	1.3	%	9.6	%
Total	57.9	%	62.9	%	63.7	%	68.2	%