Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Summary of Significant Accounting Policies

Schedule of reconciliation of cash, cash equivalents and restricted cash

The reconciliation of cash, cash equivalents and restricted cash reported within the applicable balance sheet that sum to the total of the same such amount shown in the statement of cash flows is as follows (in thousands):

	December 31,
	2021		2020
Cash and cash equivalents	$	86,508	$	24,930
Restricted cash (1)		121		121
Total	$	86,629	$	25,051

(1) Included in prepaid expenses and other current assets at December 31, 2021 and other long-term assets at December 31, 2020.

Schedule of stock-based compensation expense

During the years ended December 31, 2021 and 2020, the Company recorded stock-based compensation expense for employee and non-employee stock options and restricted stock, which was allocated as follows in the statements of operations (in thousands):

	Year Ended December 31,
	2021		2020
Research and development	$	1,132	$	599
General and administrative		2,230		791
Total	$	3,362	$	1,390

Schedule of anti-dilutive common stock equivalents excluded from calculation of diluted net loss per share

	Year Ended December 31,
	2021	2020
Stock options	1,346,733	227,945
Common stock warrants	1,530,380	1,032,292
Series X Preferred Stock (1)	5,242,501	—
	8,119,614	1,260,236