Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2018

Fair Value Measurements

Summary of information about the derivative, conversion option and warrant liabilities that were measured at fair value on a recurring basis

	December 31, 2018
	Level 1		Level 2		Level 3		Total
Warrant liability	$	—	$	—	$	220,376	$	220,376
Derivative liability		—		—		—		—
Conversion option liability		—		—		—		—
Total fair value	$	—	$	—	$	220,376	$	220,376

	December 31, 2017
	Level 1		Level 2		Level 3		Total
Warrant liability	$	—	$	—	$	103,860	$	103,860
Derivative liability		—		—		11,000		11,000
Conversion option liability		—		—		111,841		111,841
Total fair value	$	—	$	—	$	226,701	$	226,701

Summary of change in the estimated fair value of level 3 liabilities

	For the year ended
	December 31, 2018
	Warrant		Derivative		Conversion Option
	Liability		Liability		Liability
Beginning value of Level 3 liability	$	103,860	$	11,000	$	111,841
Additions		611,286		—		—
Extinguishment		—		—		(286,595)
Change in fair value		(494,770)		(11,000)		174,754
Ending fair value of Level 3 liability	$	220,376	$	—	$	—