| 6. Indefinite-Lived Intangible Assets (Details Narrative) - USD ($) | 6 Months Ended | |
|---|---|---|
| Jun. 30, 2019 | Dec. 31, 2018 | |
| Indefinite-lived intangible assets | $ 9,243,128 | $ 9,243,128 | 
| OncoHist [Member] | ||
| Indefinite-lived intangible assets | 9,243,128 | $ 9,243,128 | 
| Impaiment of intangible assets | $ 0 | 
| X | ||||||||||
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- 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 
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| X | ||||||||||
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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- Details 
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