Annual report pursuant to Section 13 and 15(d)

Patents and Other Assets (Narrative) (Details)

v3.3.0.814
Patents and Other Assets (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Minimum [Member]    
Estimated useful life of patents and other intangible assets 17 years  
Maximum [Member]    
Estimated useful life of patents and other intangible assets 20 years  
Approximations [Member]    
Capitalized costs for patents $ 100,000 $ 100,000
Investment in patents $ 800,000 $ 700,000