Annual report pursuant to Section 13 and 15(d)

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

v3.3.1.900
Long-Term Debt (Aggregate maturities of long-term debt and revolving lines of credit) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Long-Term Debt [Abstract]    
2017 $ 22,715  
Thereafter  
Total future long-term debt payments $ 22,715  
Less amount representing debt discounts (2,582)  
Total carrying amount of long-term debt 20,133 $ 18,559
Long-term debt obligations $ 20,133 $ 18,559