v3.20.1

Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2020

Accounting Policies [Abstract]

Disposal Groups, Including Discontinued Operations [Table Text Block]

		March 31, 2020				December 31, 2019
Cash and cash equivalents		$	12,204,569			$	16,350,237
Restricted cash			171,593				174,950
Total cash, cash equivalents and restricted cash		$	12,376,162			$	16,525,187

Marketable Securities [Table Text Block]

		Amortized Cost				Gross Unrealized Losses				Gross Unrealized Gains				Fair Value
March 31, 2020:
Money Market Funds included in Cash Equivalents		$	1,567,300			$	-			$	-			$	1,567,300
U.S. Government Agency Securities			1,697,380				-				8,249				1,705,629
Corporate Securities			7,348,280				(15,384	)			710				7,333,606
Commercial Paper			1,942,894				(65	)			1,126				1,943,955
Subtotal			10,988,554				(15,449	)			10,085				10,983,190
Total March 31, 2020		$	12,555,854			$	(15,449	)		$	10,085			$	12,550,490
December 31, 2019:
Money Market Funds included in Cash Equivalents		$	3,472,043			$	-			$	51			$	3,472,094
U.S. Government Agency Securities			2,691,091				(42	)			869				2,691,918
Corporate Securities			6,058,265				(1,438	)			440				6,057,267
Commercial Paper			3,234,583				(16	)			405				3,234,972
Subtotal			11,983,939				(1,496	)			1,714				11,984,157
Total December 31, 2019		$	15,455,982			$	(1,496	)		$	1,765			$	15,456,251

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

		Carrying Value				Level 1				Level 2				Level 3
March 31, 2020:
Money Market Funds and Cash Equivalents		$	1,567,300			$	1,567,300			$	-			$	-
U.S. Government Agency Securities			1,705,629				1,705,629				-				-
Corporate Securities			7,333,606				-				7,333,606				-
Commercial Paper			1,943,955				-				1,943,955				-
Subtotal			10,983,190				1,705,629				9,277,561			$	-
Total March 31, 2020		$	12,550,490			$	3,272,929			$	9,277,561			$	-
December 31, 2019:
Money Market Funds and Cash Equivalents		$	3,472,094			$	3,472,094			$	-			$	-
U.S. Government Agency Securities			2,691,918				2,691,918				-				-
Corporate Securities			6,057,267				-				6,057,267				-
Commercial Paper			3,234,972				-				3,234,972				-
Subtotal			11,984,157				2,691,918				9,292,239				-
Total December 31, 2019		$	15,456,251			$	6,164,012			$	9,292,239			$	-

Schedule Of Other Prepaid Expense [Table Text Block]

		March 31, 2020				December 31, 2019
Refundable regulatory fee		$	2,942,965			$	-
Insurance expense			246,464				244,828
Subscription fees			183,734				97,983
Software costs			104,597				10,081
Other			84,212				93,523
Total		$	3,561,972			$	446,415

Schedule of Inventory, Current [Table Text Block]

		March 31, 2020				December 31, 2019
Raw materials		$	6,893			$	6,893
Finished goods			418,178				461,735
Inventory reserve			(130,163	)			(130,163	)
Total		$	294,908			$	338,465

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

		March 31, 2020				December 31, 2019
Professional and consulting fees		$	287,560			$	214,777
Accrued payroll and payroll taxes			660,243				1,287,047
Clinical trial related			2,455,141				2,435,953
Manufacturing development related			1,000,904				806,032
Other			67,047				56,677
Total		$	4,470,895			$	4,800,486

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

		Three Months Ended March 31,
		2020				2019
		(Number of Shares of Common Stock Issuable)
Series C non-voting preferred stock			104,000				408,000
Series D non-voting preferred stock			-				295,848
Series E non-voting preferred stock			391,953				391,953
Series F non-voting preferred stock			-				2,469,137
Series G non-voting preferred stock			5,560,137				-
Shares issuable upon conversion of convertible debt			-				1,000,000
Restricted stock units			417				19,917
Shares issuable for payment of deferred board compensation			35,303				29,427
Shares underlying outstanding warrants			183,148				3,199,788
Shares underlying outstanding stock options			1,720,937				1,212,974
Total potentially dilutive shares			7,995,895				9,027,044

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