Contingencies	12 Months Ended
Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]
Contingencies	CONTINGENCIES On June 25, 2012, American Vehicular Sciences LLC (“AVS”) filed four patent infringement complaints in the United States District Court in the Eastern District of Texas, which named the Company and one of two of its customers as co-defendants. In two of the complaints (#6:12-cv-00413 and #6:12-cv-00406), AVS alleged that the Company's SmartBeam^® product infringed one patent owned by AVS. In the other two complaints (#6:12-cv-00410 and #6:12-cv-00415), AVS alleged that the Company's monitoring system products infringe two other patents owned by AVS. The Company was served with the four complaints on July 27, 2012. On October 5, 2012, the Company submitted its answers to all four complaints. On December 28, 2012, in the ordinary course of business, the Company entered into a settlement/license agreement (“agreement”) with AVS, settling all pending litigation. The cost associated with the agreement was accrued by the Company and reflected in its financial results as of December 31, 2012. As a result of the agreement, the United States District Court in the Eastern District of Texas has ordered that the Company is dismissed with prejudice as a defendant in the complaints filed by AVS. The Company is periodically involved in legal proceedings, legal actions and claims arising in the normal course of business, including proceedings relating to product liability, intellectual property, safety and health, employment and other matters. Such matters are subject to many uncertainties and outcomes are not predictable. The Company does not believe, however, that at the current time any of these matters constitute material pending legal proceedings that will have a material adverse effect on the financial position or future results of operations of the Company.

Contingencies

12 Months Ended

Dec. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

CONTINGENCIES

On June 25, 2012, American Vehicular Sciences LLC (“AVS”) filed four patent infringement complaints in the United States District Court in the Eastern District of Texas, which named the Company and one of two of its customers as co-defendants. In two of the complaints (#6:12-cv-00413 and #6:12-cv-00406), AVS alleged that the Company's SmartBeam^® product infringed one patent owned by AVS. In the other two complaints (#6:12-cv-00410 and #6:12-cv-00415), AVS alleged that the Company's monitoring system products infringe two other patents owned by AVS. The Company was served with the four complaints on July 27, 2012. On October 5, 2012, the Company submitted its answers to all four complaints.

On December 28, 2012, in the ordinary course of business, the Company entered into a settlement/license agreement (“agreement”) with AVS, settling all pending litigation. The cost associated with the agreement was accrued by the Company and reflected in its financial results as of December 31, 2012. As a result of the agreement, the United States District Court in the Eastern District of Texas has ordered that the Company is dismissed with prejudice as a defendant in the complaints filed by AVS.

The Company is periodically involved in legal proceedings, legal actions and claims arising in the normal course of business, including proceedings relating to product liability, intellectual property, safety and health, employment and other matters. Such matters are subject to many uncertainties and outcomes are not predictable. The Company does not believe, however, that at the current time any of these matters constitute material pending legal proceedings that will have a material adverse effect on the financial position or future results of operations of the Company.