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Short Term Investments Available for Sale (Details Narrative) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Short-term investments - Fair Value	$ 14,257,998	$ 12,724,020
Corporate Debt Securities [Member]
Short-term investments - Fair Value	14,257,998	12,724,020
Short-term Investments [Member] | Corporate Debt Securities [Member]
Short-term investments - Fair Value	$ 14,257,998	$ 12,724,020

X

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26626-111562

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=us-gaap_ShortTermInvestmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: