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Property and Equipment
12 Months Ended
Dec. 31, 2018
Property, Plant and Equipment [Abstract]  
Property and Equipment Property and Equipment
Property and equipment consisted of the following at December 31:
Range of
useful lives
20182017
Computer equipment3 – 5 years$1,148,140 $1,074,172 
Office equipment3 – 15 years809,153 457,945 
Furniture and fixtures5 – 15 years639,267 633,577 
Leasehold improvements3 – 15 years, or remaining lease term1,299,363 1,274,660 
Total property and
equipment, gross
3,895,923 3,440,354 
Less: accumulated depreciation
and amortization
(3,124,710)(2,911,472)
Total property and
equipment, net
$771,213 $528,882 
Depreciation expense, including amortization expense related to leasehold improvements, is included in general and administrative expense in the consolidated statements of operations. Depreciation expense was as follows for the years ended December 31:
201720162015
Depreciation expense$213,237 $211,532 $202,868