Annual report pursuant to Section 13 and 15(d)

Other long-term assets (Details)

v2.4.0.8
Other long-term assets (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Other long-term assets [Abstract]      
Patents, trademarks and applications, net of accumulated amortization $ 1,214,797 $ 1,210,698  
Goodwill 387,239 387,239  
Other 10,124 3,957  
Other long-term assets 1,612,160 1,601,894  
Accumulated amortization of finite lived intangible assets 422,261 345,692  
Impairment of finite lived intangible assets 33,000 45,000 275,000
Future amortization expense      
2014 76,000    
2015 76,000    
2016 76,000    
2017 76,000    
2018 $ 76,000