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Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Accounting Policies [Line Items] |  |  |
Shipping and distribution cost | $ 1,000 | $ 3,000 | $ 1,800
Advertising expense | 300 | 300 | 300
Current restricted cash | 500 | 500 |
Restricted cash | 1,062 | 1,521 |
Impairment of long-lived assets held-for-use |  | 0 |
Goodwill | 2,463 | 3,241 | 3,241
Goodwill impairment | 778 | 0 |
Novel Biotherapeutics |  |  |
Accounting Policies [Line Items] |  |  |
Goodwill impairment | $ 800 | $ 0 | $ 0
Four Customers | Accounts Receivable | Customer Concentration Risk |  |  |
Accounting Policies [Line Items] |  |  |
Concentration risk, percentage | 58.00% |  |
Two Customers | Accounts Receivable | Customer Concentration Risk |  |  |
Accounting Policies [Line Items] |  |  |
Concentration risk, percentage |  | 63.00% |
Letter of Credit | Cash Deposit |  |  |
Accounting Policies [Line Items] |  |  |
Restricted cash | $ 1,100 | $ 1,500 |

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