Patents and Other Intangible Assets - Additional Information (Details) |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2020
USD ($)
patent
|
Dec. 31, 2019
USD ($)
|
|
| Finite-Lived Intangible Assets [Line Items] | ||
| Impairment of intangible assets | $ 2,201,000 | $ 0 |
| Patent held for sale | 156,000 | 0 |
| Operating loss | 8,183,000 | 5,703,000 |
| Amortization | 462,000 | 454,000 |
| VivoPharm | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Impairment of intangible assets | 2,100,000 | |
| Operating loss | $ 1,500,000 | |
| Patents | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Number of intangible assets impaired | patent | 4 | |
| Impairment of intangible assets | $ 71,000 | $ 0 |
| Allowance for legal fees | 50,000 | |
| Patent held for sale | $ 156,000 | |
| Software, Customer List and Trade Name | VivoPharm | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Intangible assets, useful life | 10 years | |
| X | ||||||||||
- Definition Assets Held-for-sale, Not Part of Disposal Group, Allowance for Legal Fees, Current No definition available.
|
| X | ||||||||||
- Definition Impairment of Intangible Assets, Number of Intangible Assets Impaired No definition available.
|
| X | ||||||||||
- Definition Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of amortization of other deferred costs recognized in the income statement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|