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Note 3 - Intellectual Property	9 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Intangible Assets Disclosure [Text Block]	Note 3—Intellectual Property We have exclusive license agreements on thirty-two ( 32 ) issued and one ( 1 ) allowed patent for technologies developed by researchers at The University of Texas MD Anderson Cancer Center, and The University of Texas Southwestern Medical Center.  These patents comprise various therapeutic, diagnostic, technical and processing claims. These license rights will be amortized on a straight-line basis over the estimated period of useful lives of the underlying patents or the license agreements.

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The entire disclosure for all or part of the information related to intangible assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-URI http://asc.fasb.org/topic&trid=2144416

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