Significant Customers

3 Months Ended

Mar. 31, 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 months ended March 31, 2013 and 2012, the Company had four 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; and Ubitronix System Solutions GmBh ("Ubitronix") and Telvent Energia y Medioambiente SA (“Telvent”), value added resellers of the Company’s Systems products. For the three months ended March 31, 2013 and 2012, the percentage of the Company’s revenues attributable to sales made to these customers was as follows:

	Three Months Ended
	March 31,
	2013	2012
Telvent	22.0%	38.2%
Avnet	12.7%	7.5%
Ubitronix	12.7%	1.1%
Duke	9.3%	20.1%
Total	56.7%	66.9%