content_image/49814.jpg content_image/49818.jpg content_image/49819.jpg
## 4 . PROPERTY AND EQUIPMENT 

Property and equipment are comprised of the following: 

<img src='content_image/49814.jpg'>

Depreciation of property and equipment totaled $ 17 . 2  million, $ 18 . 3  million and $ 22 . 5  million for the years ended December 31 , 2002 , 2003  and 2004 , respectively, which includes amortization expense relating to the BioPhotonic Scanners of approximately $ 1 . 0  million and $ 4 . 9  million for the years ended December 31 , 2003  and 2004 , respectively. 

## 5 . GOODWILL AND OTHER INTANGIBLE ASSETS 

Goodwill and other intangible assets consist of the following: 

<img src='content_image/49818.jpg'>

<img src='content_image/49819.jpg'>

Amortization of finite-life intangible assets totaled $ 4 . 4  million, $ 4 . 1  million and $ 5 . 4  million for the years ended December 31 , 2002 , 2003  and 2004 , respectively. Annual estimated amortization expense is expected to approximate $ 5 . 5 million for each of the five succeeding fiscal years. 

In connection with a registration statement the Company filed in October 2003 , the Staff of the Securities and Exchange Commission commented on and sought additional support for the indefinite life designation of the Company’s trade names, marketing rights and distributor network assets. Based on the Company’s assessment in responding to these comments, the Company recorded the following in the second quarter of 2004 : (i) a one-time amortization charge of $ 1 . 2  million resulting from retroactive changes in the estimates of the useful lives of certain intangible assets, which included the assignment of useful lives to the Company’s distributor network and certain trademarks and trade names that were previously designated 

