Common Roll Ups Reported in Reports - US GAAP

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Line Roll Up Total Concept Roll Up Items Concept Count
1 psti:ResearchAndDevelopmentExpensesNet psti:GovernmentAndThirdPartyGrantsReceived 1
2 psti:ResearchAndDevelopmentExpensesNet us-gaap:ResearchAndDevelopmentExpense 1

(Note that this is a work in progress!)