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v3.20.2

Property and Equipment | 9 Months Ended
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Sep. 30, 2020
Property and Equipment |
Property and Equipment | 4. Property and Equipment ​ Property and equipment, net consists of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | December 31, | ​
​ |  | 2020 |  | 2019 |
Furniture and fixtures | ​ | $ | 345,712 | ​ | $ | 345,712 | ​
Laboratory equipment | ​ |  | 1,421,035 | ​ |  | 1,409,526 | ​
Office equipment | ​ |  | 16,755 | ​ |  | 11,085 | ​
Computer equipment | ​ |  | 325,850 | ​ |  | 302,009 | ​
Leasehold improvements | ​ | ​ | 616,133 | ​ | ​ | 616,133 | ​
Property and equipment | ​ |  | 2,725,485 | ​ |  | 2,684,465 | ​
Less accumulated depreciation | ​ |  | (2,063,944) | ​ |  | (1,861,545) | ​
Property and equipment, net | ​ | $ | 661,541 | ​ | $ | 822,920 | ​
​ Depreciation expense was $66,527 and $70,782 for the three months ended September 30, 2020 and 2019, respectively, and $202,399 and $211,391 for the nine months ended September 30, 2020 and 2019, respectively.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
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