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Prepaid Drug Product
3 Months Ended
Mar. 31, 2024
Prepaid Drug Product:  
Prepaid Drug Product

3.            Prepaid Drug Product

Advance payments, including nonrefundable amounts, for goods or services that will be used or rendered for future clinical development activities are deferred and capitalized. Such amounts will be recognized as an expense as the related goods are delivered or the related services are performed. The Company recognized certain expenses and incurred installment costs for its contract drug manufacturing and raw material suppliers with prepayments totaling $0.6 million as of December 31, 2023 pursuant to drug supply contracts for the manufacture and delivery of prexigebersen for testing in a Phase 2 clinical trial. Advanced payments remaining to be expensed total $0.6 million as of March 31, 2024.