Summary of significant accounting policies (Tables)

6 Months Ended

Jun. 30, 2023

Summary of significant accounting policies

Schedule of reconciliation of the components of cash and restricted cash reported in balance sheet

(in thousands)	June 30, 2023		June 30, 2022
Cash and cash equivalents	$	38,416	$	34,649
Restricted cash		100		100
	$	38,516	$	34,749

Schedule of potentially dilutive securities have been excluded from the computation of diluted weighted-average shares of common stock outstanding, as they would be anti-dilutive

The following potentially dilutive securities outstanding as of June 30, 2023 and 2022 have been excluded from the computation of diluted weighted-average shares of common stock outstanding, as they would be anti-dilutive:

	June 30,
	2023	2022
Stock options(1)	3,038,080	2,532,644
Common stock warrants(1)	500,000	1,303,112
Unvested restricted stock awards (1)	2,083	—
	3,540,163	3,835,756

(1) Represents common stock equivalents.