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7. Debt (Tables)
12 Months Ended
Dec. 31, 2018
Debt Disclosure [Abstract]  
Schedule Of Notes Payable
   December 31, 
   2018   2017 
         
Variable rate term loan due May 31, 2018. Principal and interest payable monthly with a balloon payment due at maturity. Paid in full.  $   $2,832 
           
Variable rate term loan due May 31, 2019. Principal and interest payable monthly with a balloon payment due at maturity. Paid in full.       3,447 
Total term loans       6,279 
Less current portion       (3,166)
Total long-term portion  $   $3,113