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Accrued Liabilities (Tables)
12 Months Ended
Dec. 31, 2016
Payables and Accruals [Abstract]  
Schedule of Accrued Liabilities

Accrued liabilities consist of the following:

 

    As of December 31,  
    2016     2015  
Accrued salaries and other compensation   $ 1,098     $ 1,170  
Sales and marketing programs     319       477  
Product warranty     246       288  
Other accrued liabilities     231       308  
Total   $ 1,894     $ 2,243