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
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Other long-term assets [Abstract]      
Patents, trademarks and applications, net of accumulated amortization $ 1,237,553   $ 1,214,797
Goodwill 387,239   387,239
Other      10,124
Total other long-term assets 1,624,792   1,612,160
Finite-lived assets, accumulated amortization 442,592   422,261
Future amortization      
2014 81,000    
2015 81,000    
2016 81,000    
2017 81,000    
2018 81,000    
Impairment charges