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v3.23.2

Summary of significant accounting policies (Tables) | 6 Months Ended
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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.
​

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(1)(a)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=126999549&loc=SL98516268-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
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