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Leases - Additional Information (Details) - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 | Dec. 31, 2020
Birmingham, Alabama |  |
Loss Contingencies [Line Items] |  |
Security deposit | $ 17,000 |
Office Building | Birmingham, Alabama |  |
Loss Contingencies [Line Items] |  |
Operating lease, term of contract |  | 63 months
Operating lease, option to extend |  | option to extend five years
Operating lease, existence of option to extend |  | true
Laboratory | Birmingham, Alabama |  |
Loss Contingencies [Line Items] |  |
Operating lease, term of contract |  | 63 months
Operating lease, option to extend |  | option to extend five years
Operating lease, existence of option to extend |  | true
Equipment |  |
Loss Contingencies [Line Items] |  |
Leaseback transaction, description | Company had completed the sale and leaseback for four pieces of equipment and is leasing three other items directly from the leasing company. The terms of the leases are three years and afterwards provide for either annual extensions or an outright purchase of the equipment. |
Security deposit | $ 100,000 | $ 100,000
Equipment | Maximum |  |
Loss Contingencies [Line Items] |  |
Amount held for equipment purchases | $ 1,400,000 |

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- Definition Indicates (true false) whether lessee has option to extend operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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- Definition Description of terms and conditions of option to extend lessee's operating lease. Includes, but is not limited to, information about option recognized as part of right-of-use asset and lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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- Definition A description of the transaction and the assets involved in the sale of property to another party and the lease of the property back to the seller. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121606570&loc=SL77919784-209982 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 40 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121606570&loc=SL77919786-209982 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121586228&loc=d3e50796-112755 + Details
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