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Legal Proceedings
3 Months Ended
Mar. 31, 2014
Commitments and Contingencies Disclosure [Abstract]  
Legal Matters and Contingencies [Text Block]
Note 8 – Legal Proceedings
 
The Company is a party to certain proceedings incidental to the ordinary course of its business, none of which, in the current opinion of management, is likely to have a material adverse effect on the Company’s business, financial condition, results of operations, or cash flows.
 
In addition, on June 19, 2012, K Tech Telecommunications, Inc. (“K Tech”) filed a patent infringement complaint against the Company and its wholly owned subsidiary R.L. Drake Holdings, LLC (“RLD”) in the U.S. District Court for the Central District of California (the “District Court”), captioned as K Tech v. Blonder Tongue Laboratories, Inc. and R.L. Drake Holdings, LLC, CV12-05316 (the “Litigation”). K Tech subsequently filed an amended complaint to add R.L. Drake, LLC as an additional defendant. The Litigation alleged that the Company and RLD infringe one or more claims of U.S. Patent Nos. 6,785,903, 7,487,533, 7,761,893, and 7,984,469 (the “K Tech Patents”) and sought (a) a finding of patent infringement; (b) an injunction against the Company and RLD from further alleged infringement; (c) an award of actual damage suffered by K Tech; and (d) an award of costs relating to the Litigation. The Litigation complaint alleged that Company products DQMx-01, DQMx-02, DQMx-03, DQMx-04, DQMx-10, DQMx-11, DQMx-12, DQMx-13, DQMx-20, DQMx-21, DQMx-22, DQMx-30, DQMx-31, DQMx-40, and MUX-2D-QAM infringe one or more of the K Tech Patents, and alleges that RLD products MQM6000l, MQM10000, DQT1000, and MEQ1000 infringe one or more of the K Tech Patents. All of the aforementioned products are part of the Company’s digital headend product category. On August 29, 2013, the District Court ruled in the Company’s and RLD’s favor on their motion for summary judgment. In particular, the District Court held that three of K Tech’s patents relating to systems and methods for updating the channel information contained in digital television signals, U.S. Patent Nos. 6,785,903, 7,481,533 and 7,761,893 (the “Specified Patents”), were invalid because they were rendered obvious by prior art. The District Court agreed with the Company’s and RLD’s argument that all of the patent claims K Tech had asserted under the Specified Patents were invalid by reason of the prior art of, among others, Zenith Electronics Corporation and DiviCom, Inc. (both of which companies had offered for sale products capable of modifying PSIP data prior to the date of K Tech’s earliest patent priority date of April 5, 2000).
 
K Tech appealed the District Court’s ruling to the U.S. Court of Appeals for the Federal Circuit. On April 16, 2014 the U.S. Court of Appeals for the Federal Circuit affirmed the District Court’s ruling.