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liabilities and stockholders’ equity Liabilities and Equity Anti-dilutive securities Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Line of credit facility, interest rate Line of Credit Facility, Interest Rate at Period End Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Total cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Other deferred tax assets Deferred Tax Assets, Other Maximum Maximum [Member] Exercisable at the end of the year (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Suzhou Ribo Life Science Co. Ltd. And Ribocure Pharmaceuticals AB Suzhou Ribo Life Science Co. Ltd. And Ribocure Pharmaceuticals AB [Member] Suzhou Ribo Life Science Co. Ltd. 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