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Supplementary Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Components of Property and Equipment

Property and equipment consisted of the following:

			As of December 31,
			2020						2019
Furniture and office equipment			$	797,739					$	775,030
Leasehold improvements			1,962,230						1,962,230
Laboratory equipment			867,750						744,856
			3,627,719						3,482,116
Less—accumulated depreciation			(3,004,025)						(2,604,293)
Property and equipment, net			$	623,694					$	877,823

Components of Accrued Liabilities

Accrued liabilities consisted of the following:

			As of December 31,
			2020						2019
Accrued compensation			$	1,523,321					$	1,003,383
Preferred stock dividend			389,495						365,255
Clinical trials			1,557,134						1,504,660
Research agreements and services			66,593						181,408
Director fees			92,500						67,500
Professional fees and outside services			38,180						21,000
Patent, license and other fees			117,440						69,950
Other accrued liabilities			66,100						46,905
Total accrued liabilities			$	3,850,763					$	3,260,061

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Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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Tabular disclosure of the components of accrued liabilities.

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