XML 22 R26.htm IDEA: XBRL DOCUMENT v3.19.3
7. Property and Equipment (Tables)
9 Months Ended
Sep. 30, 2019
Property and equipment:  
Property and equipment
   September 30,   December 31, 
   2019   2018 
Property and equipment  $128,965   $128,156 
Less: Accumulated depreciation and amortization   (127,685)   (126,931)
Total property and equipment, net  $1,280   $1,225