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10. Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2015
AccruedExpensesTablesAbstract  
Accrued expenses
    December 31,  
    2015     2014  
Accrued wages and benefits   $ 298     $ 345  
Accrued accounts payable     153       318  
Accrued legal costs     -       231  
Accrued sales taxes     223       209  
Other     138       118  
Total accrued expenses   $ 812     $ 1,221