000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Condensed Consolidated Statements of Operations (Unaudited) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Condensed Consolidated Statements of Stockholders' Equity (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 006 - Disclosure - Note 1 - Organization and Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 2 - Accounts Payable and Accrued Liabilities link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 3 - Collaboration Agreement link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 4 - Leases link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 5 - Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 6 - Stock-based Compensation link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 7 - Net Loss per Common Share link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 8 - Segment Information link:calculationLink link:definitionLink link:presentationLink 995460 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995461 - Disclosure - Note 2 - Accounts Payable and Accrued Liabilities (Tables) link:calculationLink link:definitionLink link:presentationLink 995462 - Disclosure - Note 5 - Stockholders' Equity (Tables) link:calculationLink link:definitionLink link:presentationLink 995463 - Disclosure - Note 6 - Stock-based Compensation (Tables) link:calculationLink link:definitionLink link:presentationLink 995464 - Disclosure - Note 7 - Net Loss per Common Share (Tables) link:calculationLink link:definitionLink link:presentationLink 995465 - Disclosure - Note 8 - Segment Information (Tables) link:calculationLink link:definitionLink link:presentationLink 995466 - Disclosure - Note 1 - Organization and Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995467 - Disclosure - Note 2 - Accounts Payable and Accrued Liabilities - Schedule of Accrued Expenses (Details) link:calculationLink link:definitionLink link:presentationLink 995468 - Disclosure - Note 3 - Collaboration Agreement (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995469 - Disclosure - Note 4 - Leases (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995470 - Disclosure - Note 5 - Stockholders' Equity (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995471 - Disclosure - Note 5 - Stockholders' Equity - Schedule of Outstanding Warrants (Details) link:calculationLink link:definitionLink link:presentationLink 995472 - Disclosure - Note 6 - Stock-based Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995473 - Disclosure - Note 6 - Stock-based Compensation - Restricted Stock Units Activity (Details) link:calculationLink link:definitionLink link:presentationLink 995474 - Disclosure - Note 6 - Stock-based Compensation - Total Stock-based Compensation Expense (Details) link:calculationLink link:definitionLink link:presentationLink 995475 - Disclosure - Note 7 - Net Loss per Common Share - Schedule of Antidilutive Securities (Details) link:calculationLink link:definitionLink link:presentationLink 995476 - Disclosure - Note 8 - Segment Information (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995477 - Disclosure - Note 8 - Segment Information - Schedule of Segment Reporting Information (Details) link:calculationLink link:definitionLink link:presentationLink