Represents duration of agreement for collaborative agreement.

No definition available.

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- Definition

Represents equity interest acquired for collaborative agreement.

+ References

No definition available.

+ Details

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- Definition

Represents maximum obligation for research and development for collaborative agreement.

+ References

No definition available.

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Represents minimum obligation for research and development for collaborative agreement.

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No definition available.

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- Definition

Represents number of shares to be received for collaborative arrangement.

+ References

No definition available.

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- Definition

Represents outstanding commitment for collaborative.

+ References

No definition available.

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Balance Type:	debit
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- Definition

Represents payments for additional development and commercialization for collaborative arrangement.

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No definition available.

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- Definition

Represents payment for research and development agreement for collaborate arrangement.

+ References

No definition available.

+ Details

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- Definition

Represents percentage of revenue sharing for collaborate arrangement.

+ References

No definition available.

+ Details

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- Definition

Represents vesting percentage for collaborative arrangement.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Represents ownership percentage by noncontrolling owners for noncontrolling interest.

+ References

No definition available.

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- Definition

Percentage of ownership.

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No definition available.

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- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
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- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120269885&loc=SL75117539-209714

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- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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Period Type:	duration

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Balance Type:
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- Details

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Balance Type:
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- Details

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Note 3 - Research and Collaboration Agreements, Sublicense Agreements, and Investments in Privately-held Companies (Details Textual) € in Millions			3 Months Ended
	Jun. 24, 2020	Jun. 30, 2017 EUR (€)	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 01, 2020	Jul. 08, 2020 shares	Apr. 26, 2019	Jun. 30, 2017 USD ($)	Jun. 30, 2017 EUR (€)
Collaborative Arrangement, Duration Of Agreement (Year)		2 years
Collaborative Arrangement, Payment for Research and Development Agreement \| €		€ 1.1
Cost of Goods and Services Sold, Total			$ 390,762	$ 278,182
Novovet [Member]
Equity Method Investment, Ownership Percentage								20.00%
Alphazyme [Member]
Sale of Stock, Percentage of Ownership after Transaction	2.50%
Equity Securities without Readily Determinable Fair Value, Amount					$ 284,709
Service Agreement to Perform Research Project [Member] \| BDI [Member]
Cost of Goods and Services Sold, Total			$ 15,000
Research Services Agreement [Member]
Collaborative Arrangement, Payment for Additional Development and Commercialization \| €										€ 1.5
Service Framework Agreement [Member]
Collaborative Arrangement, Duration Of Agreement (Year)		2 years
Collaborative Arrangement, Minimum Obligation For Research and Development									$ 1,000,000.0
Collaborative Arrangement, Outstanding Commitment									1,000,000.0
Alphazyme [Member]
Ownership Percentage						1.99%
ID Biologics Inc [Member]
Collaborative Arrangement, Number of Shares To Be Received (in shares) \| shares							129,611
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners							0.37%
ID Biologics Inc [Member] \| Share-based Payment Arrangement, Tranche One [Member]
Collaborative Arrangement, Vesting Percentages							50.00%
ID Biologics Inc [Member] \| Share-based Payment Arrangement, Tranche Two [Member]
Collaborative Arrangement, Vesting Percentages							25.00%
ID Biologics Inc [Member] \| Share-based Payment Arrangement, Tranche Three [Member]
Collaborative Arrangement, Vesting Percentages							25.00%
Research Services Agreement [Member]
Collaborative Arrangement, Payment for Research and Development Agreement \| €		€ 1.0
Research Services Agreement [Member] \| BDI Holdings [Member]
Collaborative Arrangement, Duration Of Agreement (Year)		2 years
Collaborative Arrangement, Equity Interest Acquired		16.10%
Collaborative Arrangement, Minimum Obligation For Research and Development									$ 936,000
Collaborative Arrangement, Maximum Obligation For Research and Development \| €										8.0
Research Services Agreement [Member] \| BDI Holdings [Member] \| Minimum [Member]
Collaborative Arrangement, Minimum Obligation For Research and Development \| €										€ 1.0
Collaborative Arrangement, Revenue Sharing, Percentage		50.00%
Research Services Agreement [Member] \| BDI Holdings [Member] \| Maximum [Member]
Collaborative Arrangement, Revenue Sharing, Percentage		75.00%
Research Services Agreement [Member] \| VL Pbio Member
Collaborative Arrangement, Equity Interest Acquired		3.30%