PREFERRED STOCK AND DETACHABLE WARRANTS (Tables)

9 Months Ended

Sep. 30, 2019

Equity [Abstract]

Summary of Temporary Equity

The following table represents the activity related to the Series B Preferred Stock, classified as Temporary Equity on the accompanying unaudited consolidated balance sheet, during the nine months ended September 30, 2019 and 2018:

	2019		2018
Balance at beginning of period	$	8,900,208	$	7,190,467
Less: conversions of shares to common	—		(62,962		)
Plus: discount accretion	1,031,483		815,373
Plus: dividends in kind	510,502		489,282
Balance at end of period	$	10,442,193	$	8,432,160

The following table represents the activity related to the Series B1 Preferred Stock, classified as Temporary Equity on the accompanying Consolidated Balance Sheet, for the nine months ended September 30, 2019, and 2018:

	2019			2018
Balance at beginning of period	$	13,279,755		$	15,769,478
Less: conversions of shares to common	(119,768		)	(3,746,917		)
Plus: discount accretion	582,649			629,003
Plus: dividends in kind	712,185			1,736,240
Balance at end of period	$	14,454,821		$	14,387,804

Schedule of Liabilities with Unobservable Inputs

The following is an analysis of changes in the derivative liability for the nine months ended September 30:

Level Three Roll-Forward
	2019			2018
Balance at beginning of period	$	1,481,692		$	2,245,408
Change in valuation of warrants	(331,715		)	2,124,971
Balance at end of period	$	1,149,977		$	4,370,379