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Debt and Other Financing Arrangements (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
2017 $ 271  
2018 542  
2019 475  
2020 287  
2021 30  
Total long-term debt 1,605  
Less current portion of long-term debt (542) $ (1,144)
Total long-term debt, net of current portion $ 1,063 $ 2,237