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Accrued liabilities - Note 5
12 Months Ended
Dec. 31, 2017
Notes to Financial Statements  
Accrued liabilities - Note 5

5. ACCRUED LIABILITIES

Accrued liabilities consists of the following (in thousands):

      December 31,
      2017     2016
Bonuses   $ 1,143    $ 1,350 
Adverse purchase commitments     500      500 
Payroll and payroll taxes     631      398 
Compensated absences     436      393 
Warranty     153      316 
Relocation     90      204 
Deferred rent credit     37      158 
Separation agreement     359     
Prepayments from customers     1,738     
Other     777      385 
    $ 5,864    $ 3,704