000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Consolidated Balance Sheets link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Consolidated Balance Sheets (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Consolidated Balance Sheets (Current Period Unaudited) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Consolidated Statements of Operations link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statements of Changes in Equity (Unaudited) link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Consolidated Statements of Cash Flows link:calculationLink link:definitionLink link:presentationLink 995550 - Disclosure - Note 1 - Organization and Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 995551 - Disclosure - Note 2 - Pillarstone Capital REIT Operating Partnership LP's Bankruptcy and Deconsolidation link:calculationLink link:definitionLink link:presentationLink 995552 - Disclosure - Note 3 - Convertible Notes Payable link:calculationLink link:definitionLink link:presentationLink 995553 - Disclosure - Note 4 - Shareholders' Equity link:calculationLink link:definitionLink link:presentationLink 995554 - Disclosure - Note 5 - Stock-based Compensation link:calculationLink link:definitionLink link:presentationLink 995555 - Disclosure - Note 6 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 995556 - Disclosure - Note 7 - Earnings (Loss) Per Share link:calculationLink link:definitionLink link:presentationLink 995557 - Disclosure - Note 8 - Related Party Transactions link:calculationLink link:definitionLink link:presentationLink 995558 - Disclosure - Note 9 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 995559 - Disclosure - Note 10 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 995560 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995561 - Disclosure - Note 2 - Pillarstone Capital REIT Operating Partnership LP's Bankruptcy and Deconsolidation (Tables) link:calculationLink link:definitionLink link:presentationLink 995562 - Disclosure - Note 4 - Shareholders' Equity (Tables) link:calculationLink link:definitionLink link:presentationLink 995563 - Disclosure - Note 6 - Income Taxes (Tables) link:calculationLink link:definitionLink link:presentationLink 995564 - Disclosure - Note 7 - Earnings (Loss) Per Share (Tables) link:calculationLink link:definitionLink link:presentationLink 995565 - Disclosure - Note 8 - Related Party Transactions (Tables) link:calculationLink link:definitionLink link:presentationLink 995566 - Disclosure - Note 1 - Organization and Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995567 - Disclosure - Note 2 - Pillarstone Capital REIT Operating Partnership LP's Bankruptcy and Deconsolidation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995568 - Disclosure - Note 2 - Pillarstone Capital REIT Operating Partnership LP's Bankruptcy and Deconsolidation - Effects of Deconsolidation (Details) link:calculationLink link:definitionLink link:presentationLink 995569 - Disclosure - Note 2 - Pillarstone Capital REIT Operating Partnership LP's Bankruptcy and Deconsolidation - Discontinued Operations (Details) link:calculationLink link:definitionLink link:presentationLink 995570 - Disclosure - Note 3 - Convertible Notes Payable (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995571 - Disclosure - Note 4 - Shareholders' Equity (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995572 - Disclosure - Note 4 - Shareholders' Equity - Summary of Unvested Restricted Common Shares (Details) link:calculationLink link:definitionLink link:presentationLink 995573 - Disclosure - Note 5 - Stock-based Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995574 - Disclosure - Note 6 - Income Taxes - Schedule of (Provision) Benefit for Income Taxes (Details) link:calculationLink link:definitionLink link:presentationLink 995575 - Disclosure - Note 6 - Income Taxes - Items Accounting for Difference Between Federal Statutory Rate and Effective Rate (Details) link:calculationLink link:definitionLink link:presentationLink 995576 - Disclosure - Note 6 - Income Taxes - Deferred Tax Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995577 - Disclosure - Note 7 - Earnings (Loss) Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) link:calculationLink link:definitionLink link:presentationLink 995578 - Disclosure - Note 7 - Earnings (Loss) Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 995579 - Disclosure - Note 8 - Related Party Transactions (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995580 - Disclosure - Note 8 - Related Party Transactions - Schedule of Related Party Transactions (Details) link:calculationLink link:definitionLink link:presentationLink 995581 - Disclosure - Note 9 - Commitments and Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995582 - Disclosure - Note 10 - Subsequent Events (Details Textual) link:calculationLink link:definitionLink link:presentationLink