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Property and Equipment (Tables) | 3 Months Ended
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Mar. 31, 2018
Property Plant And Equipment [Abstract] |
Schedule of Property and Equipment | Depreciation and amortization of property and equipment is calculated on the straight-line method based on estimated useful lives of six to ten years for tenant improvements and three to five years for all other property and equipment. Property and equipment consist of the following:
|  | March 31, |  |  | December 31, |
|  | 2018 |  |  | 2017 |
Lab equipment |  | $ | 2,228,032 |  |  | $ | 1,914,911 |
Computer equipment |  |  | 169,366 |  |  |  | 169,366 |
Computer software |  |  | 306,767 |  |  |  | 299,227 |
Furniture and fixtures |  |  | 202,218 |  |  |  | 202,218 |
Tenant improvements |  |  | 894,756 |  |  |  | 763,898 |
Other office equipment |  |  | 115,520 |  |  |  | 63,825 |
|  |  | 3,916,659 |  |  |  | 3,413,445 |
Less accumulated depreciation |  |  | (2,498,002 | ) |  |  | (2,376,585 | )
|  | $ | 1,418,657 |  |  | $ | 1,036,860 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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