Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Schedule of Marketable Securities (Details)

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Significant Accounting Policies - Schedule of Marketable Securities (Details) - USD ($)
Sep. 30, 2018
Dec. 31, 2017
Level 1 [Member]    
Marketable securities
Level 2 [Member]    
Marketable securities 4,866,033 5,011,607
Level 3 [Member]    
Marketable securities