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5. INTANGIBLE ASSETS AND ASSET ACQUISITION (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
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Goodwill and Intangible Assets Disclosure [Abstract] |  |
Intellectual property and patents | $ 2,906,507 | $ 2,848,300
Less: accumulated amortization | 2,479,754 | 2,109,276
Intangible assets, net | $ 426,753 | $ 739,024

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- Definition Accumulated Amortization On Intangible Assets. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Amount after accumulated amortization of finite-lived and indefinite-lived intangible assets classified as other. + References No definition available. + Details
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