Annual report pursuant to Section 13 and 15(d)

Long-Term Debt (Aggregate maturities of long-term debt and revolving lines of credit) (Details)

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Long-Term Debt (Aggregate maturities of long-term debt and revolving lines of credit) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Long-Term Debt [Abstract]    
2013 $ 4,059  
2014 374  
2015 50  
2016 20,013  
2017 22,610  
Thereafter     
Total future long-term debt payments 47,106  
Less amount representing debt discounts (6,618)  
Total carrying amount of long-term debt 40,488 38,070
Less current portion (4,059) (673)
Long-term debt obligations $ 36,429 $ 37,397