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Equity (Tables)

12 Months Ended

Dec. 31, 2019

Equity [Abstract]

Summary of stock option activities

		Number of Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (in years)				Aggregate Intrinsic Value
Outstanding, January 1, 2018			5,174,592				2.83				7.95				2,648
Granted			3,577,159				0.69
Cancelled			(1,515,650	)			2.96
Outstanding, December 31, 2018			7,236,101				1.74				7.97				6,400
Granted			5,833,500				0.27
Cancelled			(1,684,300	)			0.48
Outstanding, December 31, 2019			11,385,301				1.17				7.88				155
Exercisable, December 31, 2019			4,915,006				2.10				6.34				-

Summary of warrant activities

		Number of Warrants				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (in years)				Aggregate Intrinsic Value
Outstanding, January 1, 2018			25,662,340				1.89				3.62				995,373
Granted			30,360,466				0.67
Exercised			(7,332	)			0.66
Cancelled			(194,598	)			9.00
Outstanding, December 31, 2018			55,820,876				1.20				2.04				569,038
Granted			42,900,000				0.50
Exercised			(2,543,826	)			0.59
Cancelled			(10,036,475	)			2.76
Outstanding, December 31, 2019			86,140,575				0.69				2.95				301,092
Exercisable, December 31, 2019			85,928,076				0.68				2.95				301,092

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- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

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