Intangible Assets (Details) - USD ($)	3 Months Ended	12 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Patents and/or software licenses, net
Cost	$ 697,955		$ 697,955
Accumulated Amortization	(516,162)		(504,042)
Net intangible assets	181,793		193,913
Beginning balance for total intangible assets, net	193,913
Amortization expense	(12,120)	$ (11,879)	(67,936)
Intangible assets, net	$ 181,793		$ 193,913

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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The current portion of nonphysical assets, excluding financial assets, if these assets are classified into the current and noncurrent portions.

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