Summary of Significant Accounting Policies (Details) - USD ($)	1 Months Ended	6 Months Ended
	Sep. 26, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Accounting Policies [Abstract]
Description of reverse stock split	the Company’s Board of Directors approved a 1-for-4 reverse split of the Common Stock, which was effective on the OTC Markets on September 30, 2019. As a result of the reverse stock split, every 4 shares of issued and outstanding common stock were converted into 1 share of issued and outstanding common stock, with all fractional shares rounded up to the nearest whole share, and the Company’s authorized share of common stock were reduced from 200,000,000 to 50,000,000 shares. All share and per share amounts have been retroactively restated to reflect this reverse stock split.
Operating cash flows activities		$ (8,378,419)	$ (5,679,009)
Accumulated deficit		(141,650,666)		$ (119,858,909)
Cash, cash equivalents, and short term investments		134,087,800
Proceeds from issuance of common stock		19,855,018	$ 12,583,550
Received exercise of warrants		5,619,276
Additional exercise of options		530,643
Short-term Investments		120,263,581		$ 80,164,823
Unrealized loss		$ 287,027