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Property and Equipment | 12 Months Ended
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Dec. 31, 2018
Property and Equipment |
Property and Equipment | 5. Property and Equipment Property and equipment, net consisted of the following at December 31:
|  | 2018 |  | 2017 |
Furniture and fixtures |  | $ | 334,300 |  | $ | 314,024 |
Laboratory equipment |  |  | 1,389,036 |  |  | 1,325,667 |
Office equipment |  |  | 11,085 |  |  | 11,085 |
Computer equipment |  |  | 233,282 |  |  | 192,430 |
Leasehold improvements |  |  | 573,165 |  |  | 573,165 |
Property and equipment |  |  | 2,540,868 |  |  | 2,416,371 |
Less accumulated depreciation |  |  | (1,583,642) |  |  | (1,309,472) |
Property and equipment, net |  | $ | 957,226 |  | $ | 1,106,899 |
Depreciation of property and equipment totaled $275,123, $263,541 and $190,540 for the years ended December 31, 2018, 2017 and 2016, respectively.

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
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