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Selected Balance Sheet Information | 6 Months Ended
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Jun. 30, 2022
Selected Balance Sheet Information |
Selected Balance Sheet Information | 5. Selected Balance Sheet Information ​ Prepaid expenses and other current assets (in thousands) ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, | ​ | December 31,
​ |  | 2022 |  | 2021
Prepaid clinical research organizations | ​ | $ | 1,215 | ​ | $ | 458
Prepaid manufacturing expenses | ​ | ​ | 519 | ​ | ​ | —
Prepaid insurances | ​ | ​ | 353 | ​ | ​ | 803
VAT receivable | ​ | ​ | 278 | ​ | ​ | —
Prepaid consulting, subscriptions and other expenses | ​ | ​ | 257 | ​ | ​ | 272
​ | ​ | ​ | ​ | ​ | ​ | ​
Total | ​ | $ | 2,622 | ​ | $ | 1,533
​ Prepaid clinical research organizations (CROs) expense is classified as a current asset. The Company makes payments to the CROs based on agreed upon terms that include payments in advance of study services. 5. Selected Balance Sheet Information – (continued) Property and equipment, net (in thousands) ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, | ​ | December 31,
​ | ​ | 2022 |  | 2021
Computers and office equipment | ​ | $ | 790 | ​ | $ | 827
Other Property, Plant and Equipment | ​ | ​ | 203 | ​ | ​ | —
Leasehold improvements | ​ |  | 94 | ​ |  | 94
Software | ​ |  | 11 | ​ |  | 11
​ | ​ |  | 1,098 | ​ |  | 932
Less: accumulated depreciation and amortization | ​ |  | (813) | ​ |  | (831)
​ | ​ | ​ | ​ | ​ | ​ | ​
Total | ​ | $ | 285 | ​ | $ | 101
​ Accrued expenses (in thousands) ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, | ​ | December 31,
​ | ​ | 2022 |  | 2021
Accrued clinical consulting services | ​ | $ | 741 | ​ | $ | 696
Accrued manufacturing costs | ​ | ​ | 617 | ​ | ​ | 204
Accrued vendor payments | ​ | ​ | 506 | ​ | ​ | 1,028
VAT payable | ​ | ​ | 123 | ​ | ​ | —
​ | ​ | ​ | ​ | ​ | ​ | ​
Total | ​ | $ | 1,987 | ​ | $ | 1,928
​ Accrued employee benefits (in thousands) ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, | ​ | December 31,
​ | ​ | 2022 |  | 2021
Accrued bonus expense | ​ | $ | 542 | ​ | $ | 886
Accrued vacation expense | ​ | ​ | 128 | ​ | ​ | 92
Accrued compensation expense | ​ |  | 118 | ​ |  | —
​ | ​ | ​ | ​ | ​ | ​ | ​
Total | ​ | $ | 788 | ​ | $ | 978
​

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI https://asc.fasb.org/topic&trid=2122208 + Details
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