Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2022

Summary of Significant Accounting Policies

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

	Three and Six Months Ended June 30,
	2022	2021
Series X Preferred Stock	5,242,501	5,424,201
Stock options	2,106,150	1,321,722
Common stock warrants	1,530,176	1,530,648
	8,878,827	8,276,570

Schedule of cash and cash equivalents

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

	June 30,
	2022		2021
Cash and cash equivalents	$	29,826	$	139,520
Restricted cash		284		121
Total	$	30,110	$	139,641