Animal Health License Agreements (Narrative) (Details) - USD ($) $ in Thousands |
1 Months Ended | 12 Months Ended | |
|---|---|---|---|
Jul. 31, 2012 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Animal Health License Agreements [Abstract] | |||
| Deferred revenue | $ 97 | $ 97 | |
| Deferred revenue, noncurrent | 679 | 776 | |
| Recognition of license fee revenue | $ 1,600 | $ 100 | $ 100 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Recognition of license fee revenue. No definition available.
|
| X | ||||||||||
- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|