Warrants - Schedule of Fair Value of Warrants Classified as Liabilities (Details)	6 Months Ended	12 Months Ended
	Jun. 30, 2020 $ / shares	Dec. 31, 2019 $ / shares
October 2013 Warrants [Member]
Strike price	$ 15.00	$ 15.00
Value	$ 0.48	$ 0.04
October 2013 Warrants [Member] \| Expected Dividend Yield [Member]
Fair value assumptions, percentage	0.00	0.00
January 2014 Warrants [Member]
Strike price	$ 15.00	$ 15.00
Value	$ 0.49	$ 0.05
January 2014 Warrants [Member] \| Expected Dividend Yield [Member]
Fair value assumptions, percentage	0.00	0.00
January 2014 Warrants [Member] \| Contractual Term (Years) [Member]
Warrant Expected term (years)	3 years 6 months	4 years
January 2014 Warrants [Member] \| Cumulative Volatility [Member]
Fair value assumptions, percentage	110.85	90.58
January 2014 Warrants [Member] \| Risk-Free Rate [Member]
Fair value assumptions, percentage	0.24	1.68
October 2013 Warrants [Member] \| Contractual Term (Years) [Member]
Warrant Expected term (years)	3 years 3 months 19 days	3 years 9 months 18 days
October 2013 Warrants [Member] \| Cumulative Volatility [Member]
Fair value assumptions, percentage	113.56	89.59
October 2013 Warrants [Member] \| Risk-Free Rate [Member]
Fair value assumptions, percentage	0.23	1.67