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6. Prepaid Expenses and Other Assets, Net (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Prepaid expenses, gross	$ 573,138	$ 0
Allowance for doubtful accounts	(82,720)	0
Prepaid expenses	490,418	0
Receivable from Third Party [Member]
Prepaid expenses, gross	551,464	0
Other Receivables [Member]
Prepaid expenses, gross	15,565	0
Prepaid Rent [Member]
Prepaid expenses, gross	3,895	0
Other Prepaids [Member]
Prepaid expenses, gross	$ 2,214	$ 0

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- Definition

Amount of valuation allowance for receivables classified as other, due within one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets.

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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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