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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2018

Schedule of Valuation Activity for the Warrants Accounted for Derivative Liability

The following table represents the carrying amount, valuation and roll-forward of activity for the Company’s warrants accounted for as a derivative liability and classified within Level 3 of the fair-value hierarchy for the year ended December 31, 2018:

	L2 Warrants			Strome Warrants			B. Riley Warrants			Total Warrant Derivative Liabilities
Carrying amount at January 1, 2018	$	-		$	-		$	-		$	-
Issuance of warrants on June 11, 2018		312,837			-			-			312,837
Issuance of warrants on June 15, 2018		288,149			1,344,648			-			1,632,797
Issuance of warrants on October 18, 2018		-			-			382,725			382,725
Change in valuation of warrant derivative liabilities		(182,772	)		(756,677	)		(24,675	)		(964,124	)
Carrying amount at December 31, 2018	$	418,214		$	587,971		$	358,050		$	1,364,235

Schedule of Valuation Activity for the Embedded Conversion Feature Liability

The following table represents the carrying amount, valuation and a roll-forward of activity for the conversion option features, buy-in features, and default remedy features, as deemed appropriate for each instrument (collectively the embedded derivative liabilities), with respect to the 8% Promissory Notes, 10% Convertible Debentures, 10% OID Convertible Debentures, 12% Convertible Debentures (refer to Note 15 for each instrument), and Series G Preferred Stock (as described in Note 16) accounted for as embedded derivative liabilities and classified within Level 3 of the fair-value hierarchy for the year ended December 31, 2018:

	8% Promissory Notes			10% Convertible Debentures			10% OID Convertible Debentures			12% Convertible Debentures		Series G Preferred Stock			Total Embedded Derivative Liabilities
Carrying amount at December 31, 2017	$	-		$	-		$	-		$	-	$	72,563		$	72,563
Recognition of embedded derivative liabilities (conversion option feature) on June 11, 2018		78,432			-			-			-		-			78,432
Recognition of embedded derivative liabilities (conversion option feature) on June 15, 2018		81,169			471,002			-			-		-			552,171
Recognition of embedded derivative liabilities (buy-in features and default remedy feature) on October 18, 2018		-			-			49,000			-		-			49,000
Recognition of embedded derivative liabilities (conversion option feature, buy-in feature, and default remedy feature) on December 12, 2018		-			-			-			4,760,000		-			4,760,000
Gain on extinguishment of embedded derivative liabilities upon extinguishment of host instrument		(29,860	)		(1,042,000	)		(25,000	)		-		-			(1,096,860	)
Change in valuation of embedded derivative liabilities		(129,741	)		570,998			(24,000	)		2,627,000		(72,563	)		2,971,694
Carrying amount at December 31, 2018	$	-		$	-		$	-		$	7,387,000	$	-		$	7,387,000