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Debt (Tables)
6 Months Ended
Jun. 30, 2016
Debt Disclosure [Abstract]  
Schedule of Long-Term Debt

Long-term debt consists of the following (in thousands): 

       
  

June 30,

2016

  

December 31,

2015

 
Term credit facilities  $5,619   $5,942 
Nexus promissory note   171    316 
Capital lease obligations   5    7 
     Total debt   5,795    6,265 
Less current portion   (742)   (6,244)
     Total long-term debt  $5,053   $21