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Significant Accounting Policies and Concentrations of Risk (Details) - USD ($) shares in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Significant Accounting Policies and Concentration of Risk [Line Items] |  |  |  |  |
Restricted cash | $ 1,448,000 |  | $ 1,448,000 |  | $ 3,345,000
Long-term investment maturity, minimum (in years) |  |  | 12 months |  |
Advertising expense | 4,095,000 | $ 1,800,000 | $ 8,079,000 | $ 3,204,000 |
Interest expense, debt, total | 24,022,000 | 13,495,000 | 47,859,000 | 26,399,000 |
Amortization of debt financing costs and original issue discounts | $ (172,000) | $ (154,000) | $ (339,000) | $ (211,000) |
Antidilutive securities excluded from computation of earnings per share, amount (in shares) | 23,090 | 27,419 | 25,877 | 25,871 |
Reclassification from accumulated other comprehensive income, current period, before tax |  |  | $ 1,000 |  |
Computer Equipment |  |  |  |  |
Significant Accounting Policies and Concentration of Risk [Line Items] |  |  |  |  |
Property, plant and equipment, useful life (in years) |  |  | 3 years |  |
Laboratory Equipment, Office Equipment and Software |  |  |  |  |
Significant Accounting Policies and Concentration of Risk [Line Items] |  |  |  |  |
Property, plant and equipment, useful life (in years) |  |  | 5 years |  |
Furniture and Fixtures |  |  |  |  |
Significant Accounting Policies and Concentration of Risk [Line Items] |  |  |  |  |
Property, plant and equipment, useful life (in years) |  |  | 7 years |  |
Maximum |  |  |  |  |
Significant Accounting Policies and Concentration of Risk [Line Items] |  |  |  |  |
Maturity period of high quality marketable securities (in years) |  |  | 3 years |  |
Average maturity period of high quality marketable securities (in months) |  |  | 12 months |  |
Maturity period of short term investment (in months) |  |  | 12 months |  |
Royalty Receivable |  |  |  |  |
Significant Accounting Policies and Concentration of Risk [Line Items] |  |  |  |  |
Restricted cash | $ 24,000 |  | $ 24,000 |  | 1,924,000
Collateral for Credit |  |  |  |  |
Significant Accounting Policies and Concentration of Risk [Line Items] |  |  |  |  |
Restricted cash | $ 1,424,000 |  | $ 1,424,000 |  | $ 1,421,000

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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