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v3.20.2

Commitment and Contingencies - Narrative (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Loss Contingencies [Line Items] |  |  |  |  |
Operating lease, rent expense | $ 100,000 | $ 100,000 | $ 200,000 | $ 200,000 |
Minimum annual purchase commitment |  |  |  |  | $ 4,200,000
Purchase commitment, term |  |  |  |  | 3 years
Minimum | Licensing Agreements |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Royalty obligation, percent of net sales | 2.00% |  | 2.00% |  |
Maximum | Licensing Agreements |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Royalty obligation, percent of net sales | 20.00% |  | 20.00% |  |
Prometheus Laboratories |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Remaining milestone obligation | $ 2,000,000.0 |  | $ 2,000,000.0 |  |
Remaining milestone obligation, fair value | 0 |  | 0 |  | $ 0
Advance royalties payment | $ 100,000 |  | $ 100,000 |  |
Prometheus Laboratories | Minimum |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Royalty obligation, percent of net sales | 2.50% |  | 2.50% |  |
Prometheus Laboratories | Maximum |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Royalty obligation, percent of net sales | 7.50% |  | 7.50% |  |
Future minimum royalty commitment | $ 4,200,000 |  | $ 4,200,000 |  |
Office and Laboratory |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Operating lease, renewal term |  |  | 5 years |  |
Office |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Operating lease, renewal term |  |  | 5 years |  |

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- Definition The amount the entity has committed to make for future royalty guarantees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 440 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473578&loc=d3e63223-108013 + Details
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