Note 15 - Accrued Liabilities
 12 Months Ended
Dec. 31, 2013
Disclosure Text Block Supplement [Abstract]  
Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]

NOTE 15. ACCRUED LIABILITIES


Accrued liabilities as of December 31, 2013 and December 31, 2012 are summarized as follows:


   

December 31,

2013

   

December 31,

2012

 
   

(in thousands)

 

Insurance

  $ 7,222     $ 12,307  

Reserve for plant closure costs

    595       —  

Reserve for U.S. Attorney investigation

    —       7,655  

Salary and benefits

    9,423       4,989  

Trade creditors

    5,100       3,914  

Taxes, other than income tax

    64       42  

Income tax

    4,132       —  

Deferred revenue

    2,362       2,060  

Contractual obligations

    —       470  

Accrued interest

    200       225  

Other

    47       79  

Total accrued liabilities

  $ 29,145     $ 31,741  

As of December 31, 2013 and 2012, deferred revenue was $2.4 million and $2.1 million, respectively, representing payments primarily received from international customers related to revenues which were not recognized until the subsequent period due to revenue recognition criteria.


See Note 18. Commitments and Contingencies – Regulatory Matters for information on the U.S. Attorney’s Office investigation.