Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2021

Accrued Expenses [Abstract]

Accrued Expenses

Accrued expenses consisted of the following:

	As of December 31,
	2021		2020
Accrued compensation	$	656,000	$	294,000
Accrued research and development expenses		222,000		207,000
Accrued general and administrative expenses		371,000		400,000
Accrued interest		-		150,000
Total accrued expenses	$	1,249,000	$	1,051,000