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Property and Equipment
6 Months Ended
Jun. 30, 2020
Property and Equipment.  
Property and Equipment

6.       Property and Equipment

Accumulated depreciation was $15,701 and $13,728 as of June 30, 2020 and December 31, 2019, respectively. Depreciation expense on property and equipment for the three months ended June 30, 2020 and 2019 was $1,234 and $1,089, respectively. Depreciation expense on property and equipment for the six months ended June 30, 2020 and 2019 was $2,502 and $2,097, respectively.