PREFERRED STOCK AND DETACHABLE WARRANTS (Tables)

3 Months Ended

Mar. 31, 2019

Equity [Abstract]

Summary of Temporary Equity

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 three months ended March 31, 2019, and 2018:

	2019			2018
Balance at beginning of period	$	13,279,755		$	15,769,478
Less: conversions of shares to common	(119,768		)	(595,563		)
Plus: dividends in kind	235,360			281,527
Plus: discount accretion	207,762			203,784
Balance at end of period	$	13,603,109		$	15,659,226

The following table represents the activity related to the Series B Preferred Stock, classified as Temporary Equity on the accompanying Consolidated Balance Sheet, during the three months ended March 31, 2019 and 2018:

	2019		2018
Balance at beginning of period	$	8,900,208	$	7,190,467
Plus: discount accretion	322,671		254,069
Plus: dividends in kind	167,642		139,186
Balance at end of period	$	9,390,521	$	7,583,722

Schedule of Liabilities with Unobservable Inputs

The following is an analysis of changes in the derivative liability for the three 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	1,705,094		431,751
Balance at end of period	$	3,186,786	$	2,677,159