Annual report pursuant to Section 13 and 15(d)

2. Patents (Tables)

v2.4.0.8
2. Patents (Tables)
12 Months Ended
Dec. 31, 2012
Patents Tables  
Patents
    December 30, 2012   December 31, 2011  
Capitalized patent costs   $ 642,000   $ 640,000  
Accumulated amortization     (618,000 )   (615,000 )
    $ 24,000   $ 25,000  
Expected future amortization of patent costs
2013     4,000  
2014     4,000  
2015     4,000  
2016     4,000  
2017     4,000