v3.21.2

Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2021

Accounting Policies [Abstract]

Schedule of cash and cash equivalents

		June 30, 2021				December  31, 2020
Cash and cash equivalents		$	73,093,132			$	41,905,469
Restricted cash, short-term and long-term			240,083				191,314
Total cash, cash equivalents and restricted cash		$	73,333,215			$	42,096,783

Schedule of marketable securities

June 30, 2021:		Amortized Cost				Gross Unrealized Losses				Gross Unrealized Gains				Fair Value
Money Market Funds included in Cash Equivalents		$	17,478,369			$	-			$	-			$	17,478,369
Corporate Securities			3,561,926				(1,584	)							3,560,342
Commercial Paper			1,598,744				-				267				1,599,011
Subtotal			5,160,670				(1,584	)			267				5,159,353
Total June 30, 2021		$	22,639,039			$	(1,584	)		$	267			$	22,637,722
December 31, 2020:
Money Market Funds included in Cash Equivalents		$	3,182,762			$	(81	)		$	8			$	3,182,689
Corporate Securities			3,565,501				(1,005	)			3				3,564,499
Commercial Paper			879,501				-				72				879,573
Subtotal			4,445,002				(1,005	)			75				4,444,072
Total December 31, 2020		$	7,627,764			$	(1,086	)		$	83			$	7,626,761

Schedule of carrying and fair value of financial assets

June 30, 2021:		Carrying Value				Level 1				Level 2				Level 3
Money Market Funds and Cash Equivalents		$	17,478,369			$	17,478,369			$	-			$	-
Corporate Securities			3,560,342				-				3,560,342				-
Commercial Paper			1,599,011				-				1,599,011				-
Subtotal			5,159,353				-				5,159,353			$	-
Total June 30, 2021		$	22,637,722			$	17,478,369			$	5,159,353			$	-
December 31, 2020:
Money Market Funds and Cash Equivalents		$	3,182,689			$	3,182,689			$	-			$	-
Corporate Securities			3,564,499				-				3,564,499				-
Commercial Paper			879,573				-				879,573				-
Subtotal			4,444,072				-				4,444,072				-
Total December 31, 2020		$	7,626,761			$	3,182,689			$	4,444,072			$	-

Schedule of inventories

		June 30, 2021				December 31, 2020
Finished goods		$	245,668			$	317,733
Inventory reserve			(172,941	)			(174,169	)
Total		$	72,727			$	143,564

Schedule of accrued expenses

		June 30, 2021				December 31, 2020
Professional and consulting fees		$	234,041			$	146,129
Accrued payroll and payroll taxes			1,432,414				2,490,441
Clinical trial related			1,000				2,187
Manufacturing development related			278,305				143,780
Other			118,609				141,814
Total		$	2,064,369			$	2,924,351

Schedule of anti-dilutive securities excluded from calculation of diluted net loss per share

		Six Months Ended June 30,
		2021				2020
		(Number of Shares of Common Stock Issuable)
Series C non-voting preferred stock			4,000				104,000
Series E non-voting preferred stock			391,953				391,953
Series G non-voting preferred stock			5,004,069				5,560,137
Restricted stock units			-				105
Shares issuable for payment of deferred board compensation			48,909				40,556
Shares underlying outstanding warrants			56,455				183,148
Shares underlying outstanding stock options			3,765,746				2,300,937
Total potentially dilutive shares			9,271,132				8,580,836

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