99900 - Disclosure - Standard And Custom Axis Domain Defaults link:presentationLink link:calculationLink link:definitionLink 995200100 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 995200200 - Statement - Consolidated Statements of Operations and Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 995200400 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 99940301 - Disclosure - Summary of Significant Accounting Policies - Segments (Details) link:presentationLink link:calculationLink link:definitionLink 99940302 - Disclosure - Summary of Significant Accounting Policies -Restricted Cash (Details) link:presentationLink link:calculationLink link:definitionLink 99940401 - Disclosure - Accrued Expenses and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 99940501 - Disclosure - Long-term Debt - Schedule of long-term debt (Details) link:presentationLink link:calculationLink link:definitionLink 995200105 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 995200300 - Statement - Consolidated Statements of Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 99940201 - Disclosure - Risks and Liquidity (Details) link:presentationLink link:calculationLink link:definitionLink 99940303 - Disclosure - Summary of Significant Accounting Policies - Revenue Disaggregated (Details) link:presentationLink link:calculationLink link:definitionLink 99940304 - Disclosure - Summary of Significant Accounting Policies - Fair Value of Financial Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 99940305 - Disclosure - Summary of Significant Accounting Policies - Net loss per share (Potentially dilutive securities) (Details) link:presentationLink link:calculationLink link:definitionLink 99940502 - Disclosure - Long-term Debt - Perceptive Term Loan and MidCap Term Loan (Details) link:presentationLink link:calculationLink link:definitionLink 99940601 - Disclosure - Stockholders' Equity - Public Stock Offerings (Details) link:presentationLink link:calculationLink link:definitionLink 99940602 - Disclosure - Stockholders' Equity - Warrants outstanding (Details) link:presentationLink link:calculationLink link:definitionLink 99940701 - Disclosure - Sale of Product Line - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 99940801 - Disclosure - Stock-Based Compensation - Narratives (Details) link:presentationLink link:calculationLink link:definitionLink 99940802 - Disclosure - Stock-Based Compensation - Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 99940805 - Disclosure - Stock-Based Compensation - Restricted Stock Units (Details) link:presentationLink link:calculationLink link:definitionLink 995200090 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 995210101 - Disclosure - Background link:presentationLink link:calculationLink link:definitionLink 995210201 - Disclosure - Risks and Liquidity link:presentationLink link:calculationLink link:definitionLink 995210301 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 995210401 - Disclosure - Accrued Expenses and Other Current Liabilities link:presentationLink link:calculationLink link:definitionLink 995210501 - Disclosure - Long-term Debt link:presentationLink link:calculationLink link:definitionLink 995210601 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 995210701 - Disclosure - Sale of Product Line link:presentationLink link:calculationLink link:definitionLink 995210801 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 99920302 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 99930303 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 99930403 - Disclosure - Accrued Expenses and Other Current Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 99930503 - Disclosure - Long-term Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 99930603 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 99930803 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 99940603 - Disclosure - Stockholders' Equity - Warrant Activity (Details) link:presentationLink link:calculationLink link:definitionLink 99940803 - Disclosure - Stock-Based Compensation - Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 99940804 - Disclosure - Stock-Based Compensation - Weighted average assumptions (Details) link:presentationLink link:calculationLink link:definitionLink