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Property and Equipment
12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
Property and Equipment Property and Equipment
 
Property and equipment consist of the following: 
December 31, 2020December 31, 2019
Computer hardware and software$16,456,790 $16,418,916 
Furniture and equipment604,300 601,928 
Leasehold improvements1,730,751 1,715,041 
Property and equipment, gross18,791,841 18,735,885 
Less accumulated depreciation and amortization(18,594,821)(18,366,612)
Property and equipment, net$197,020 $369,273 
 
During the years ended December 31, 2020 and December 31, 2019, the Company did not write off fixed assets or related accumulated depreciation.

Depreciation and amortization expense was $178,391 and $248,564 in 2020 and 2019, respectively.