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Prepaid expenses and other assets (Tables)
3 Months Ended
Mar. 31, 2023
Prepaid expenses and other assets  
Schedule of prepaid expenses and other current assets

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(in thousands)

    

March 31, 2023

    

December 31, 2022

CARES Act employee retention credit receivable

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$

821

​

$

847

Prepaid subscriptions and service contracts

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​

696

​

​

876

Research and development advance payments

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​

271

​

​

445

Prepaid insurance

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​

253

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​

158

Other prepaids and current assets

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​

71

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—

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$

2,112

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$

2,326