XML 13 R39.htm IDEA: XBRL DOCUMENT v2.4.0.6
Fair Value (Details) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt discount $ 917,000  
Fair Value [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fixed rate long-term debt 22,425,000 24,211,000
Carrying Value [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fixed rate long-term debt 22,608,000 24,341,000
Debt discount $ 917,000 $ 1,847,000