XML 19 R25.htm IDEA: XBRL DOCUMENT v2.4.0.6
Financial Instruments (Tables)
 12 Months Ended
Dec. 31, 2012
Financial Instruments  
Summary of valuation of financial instrument

The following table summarizes the valuation of our financial instrument pricing levels as of December 31, 2012 and 2011:

 

 

 

Total

 

Level 1

 

Level 2

 

Level 3

 

2012:

 

 

 

 

 

 

 

 

 

Available-for-sale securities

 

$

239,000

 

$

239,000

 

$

—

 

$

—

 

 

 

 

 

 

 

 

 

 

 

2011:

 

 

 

 

 

 

 

 

 

Available-for-sale securities

 

$

213,000

 

$

213,000

 

$

—

 

$

—

 

Interest rate swap

 

(147,000

)

—

 

(147,000

)

—