| Licenses and Collaborations (Details Narrative) | Jan. 02, 2019  USD ($) | 
|---|---|
| Collaboration Agreement [Member] | Maximum [Member] | |
| Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] | |
| Royalty received on sales | $ 156,000,000 | 
| X | ||||||||||
| 
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
 | 
| X | ||||||||||
| 
- Details 
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| X | ||||||||||
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- Details 
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