Quarterly report pursuant to Section 13 or 15(d)

Other long-term assets (Details)

v2.4.0.8
Other long-term assets (Details) (USD $)
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Other long-term assets [Abstract]          
Patents, trademarks and applications, net of accumulated amortization $ 1,279,957   $ 1,279,957   $ 1,214,797
Goodwill 387,239   387,239   387,239
Other           10,124
Total other long-term assets 1,667,196   1,667,196   1,612,160
Finite-lived assets, accumulated amortization 484,447   484,447   422,261
Amortization expense 21,000 62,000 19,000 57,000  
Future amortization          
2014 85,000   85,000    
2015 85,000   85,000    
2016 85,000   85,000    
2017 85,000   85,000    
2018 85,000   85,000    
Impairment charges   $ 0    $ 2,951