Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Schedule of Marketable Securities (Details)

v3.19.2
Significant Accounting Policies - Schedule of Marketable Securities (Details) - USD ($)
Jun. 30, 2019
Dec. 31, 2018
Level 1 [Member]    
Marketable securities
Level 2 [Member]    
Marketable securities 4,020,498 5,272,998
Level 3 [Member]    
Marketable securities