000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Condensed Balance Sheets (Current Period Unaudited) link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Condensed Balance Sheets (Current Period Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Condensed Statements of Comprehensive Income (Unaudited) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Condensed Statements of Stockholders' Equity (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Condensed Statements of Stockholders' Equity (Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Condensed Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 1 - Organization and Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 2 - Mortgage-backed Securities, at Fair Value link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 3 - U.S. Treasury Securities, Available-for-sale link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 4 - Repurchase Agreements and Reverse Purchase Agreements link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 5 - Derivative and Other Hedging Instruments link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 6 - Pledged Assets link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 7 - Offsetting Assets and Liabilities link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 8 - Capital Stock link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 9 - Stock Incentive Plan link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 10 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 11 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note 12 - Earnings Per Share (EPS) link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 13 - Fair Value link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 14 - Related Party Transactions link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 15 - Segment Information link:calculationLink link:definitionLink link:presentationLink 995468 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995469 - Disclosure - Note 1 - Organization and Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 995470 - Disclosure - Note 2 - Mortgage-backed Securities, at Fair Value (Tables) link:calculationLink link:definitionLink link:presentationLink 995471 - Disclosure - Note 3 - U.S. Treasury Securities, Available-for-sale (Tables) link:calculationLink link:definitionLink link:presentationLink 995472 - Disclosure - Note 4 - Repurchase Agreements and Reverse Purchase Agreements (Tables) link:calculationLink link:definitionLink link:presentationLink 995473 - Disclosure - Note 5 - Derivative and Other Hedging Instruments (Tables) link:calculationLink link:definitionLink link:presentationLink 995474 - Disclosure - Note 6 - Pledged Assets (Tables) link:calculationLink link:definitionLink link:presentationLink 995475 - Disclosure - Note 7 - Offsetting Assets and Liabilities (Tables) link:calculationLink link:definitionLink link:presentationLink 995476 - Disclosure - Note 8 - Capital Stock (Tables) link:calculationLink link:definitionLink link:presentationLink 995477 - Disclosure - Note 9 - Stock Incentive Plan (Tables) link:calculationLink link:definitionLink link:presentationLink 995478 - Disclosure - Note 12 - Earnings Per Share (EPS) (Tables) link:calculationLink link:definitionLink link:presentationLink 995479 - Disclosure - Note 13 - Fair Value (Tables) link:calculationLink link:definitionLink link:presentationLink 995480 - Disclosure - Note 1 - Organization and Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995481 - Disclosure - Note 1 - Organization and Significant Accounting Policies - Schedule of Cash and Cash Equivalents (Details) link:calculationLink link:definitionLink link:presentationLink 995482 - Disclosure - Note 2 - Mortgage-backed Securities, at Fair Value (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995483 - Disclosure - Note 2 - Mortgage-backed Securities, at Fair Value - Schedule of RMBS Portfolio (Details) link:calculationLink link:definitionLink link:presentationLink 995484 - Disclosure - Note 2 - Mortgage-backed Securities, at Fair Value - Gain (Loss) on Investments (Details) link:calculationLink link:definitionLink link:presentationLink 995485 - Disclosure - Note 3 - U.S. Treasury Securities, Available-for-sale (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995486 - Disclosure - Note 3 - U.S. Treasury Securities, Available-for-sale - Available-for-sale Investments (Details) link:calculationLink link:definitionLink link:presentationLink 995487 - Disclosure - Note 4 - Repurchase Agreements and Reverse Purchase Agreements (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995488 - Disclosure - Note 4 - Repurchase Agreements and Reverse Purchase Agreements - Schedule of Repurchase Agreements (Details) link:calculationLink link:definitionLink link:presentationLink 995489 - Disclosure - Note 5 - Derivative and Other Hedging Instruments (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995490 - Disclosure - Note 5 - Derivative and Other Hedging Instruments - Schedule of Derivative Instruments in Balance Sheet (Details) link:calculationLink link:definitionLink link:presentationLink 995491 - Disclosure - Note 5 - Derivative and Other Hedging Instruments - Schedule of Derivative Positions (Details) link:calculationLink link:definitionLink link:presentationLink 995492 - Disclosure - Note 5 - Derivative and Other Hedging Instruments - Schedule of Interest Rate Swaps (Details) link:calculationLink link:definitionLink link:presentationLink 995493 - Disclosure - Note 5 - Derivative and Other Hedging Instruments - Schedule of To Be Announced Securities (Details) link:calculationLink link:definitionLink link:presentationLink 995494 - Disclosure - Note 5 - Derivative and Other Hedging Instruments - Schedule of Derivative Instruments Gain (Loss) (Details) link:calculationLink link:definitionLink link:presentationLink 995495 - Disclosure - Note 6 - Pledged Assets - Schedule of Financial Instruments Owned and Pledged as Collateral (Details) link:calculationLink link:definitionLink link:presentationLink 995496 - Disclosure - Note 6 - Pledged Assets - Schedule of Financial Instruments Pledged as Collateral From Counterparties (Details) link:calculationLink link:definitionLink link:presentationLink 995497 - Disclosure - Note 7 - Offsetting Assets and Liabilities - Offsetting Assets (Details) link:calculationLink link:definitionLink link:presentationLink 995498 - Disclosure - Note 7 - Offsetting Assets and Liabilities - Offsetting Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995499 - Disclosure - Note 8 - Capital Stock (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995500 - Disclosure - Note 8 - Capital Stock - Issuance of Common Stock (Details) link:calculationLink link:definitionLink link:presentationLink 995501 - Disclosure - Note 8 - Capital Stock - Dividends Declared (Details) link:calculationLink link:definitionLink link:presentationLink 995502 - Disclosure - Note 9 - Stock Incentive Plan (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995503 - Disclosure - Note 9 - Stock Incentive Plan - Schedule of Nonvested Performance Based Units Activity (Details) link:calculationLink link:definitionLink link:presentationLink 995504 - Disclosure - Note 9 - Stock Incentive Plan - Schedule of Stock Awards (Details) link:calculationLink link:definitionLink link:presentationLink 995505 - Disclosure - Note 9 - Stock Incentive Plan - Share Based Compensation Arrangements by Share Based Payment Award (Details) link:calculationLink link:definitionLink link:presentationLink 995506 - Disclosure - Note 12 - Earnings Per Share (EPS) - Schedule of Earnings Per Share (Details) link:calculationLink link:definitionLink link:presentationLink 995507 - Disclosure - Note 13 - Fair Value - Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis (Details) link:calculationLink link:definitionLink link:presentationLink 995508 - Disclosure - Note 14 - Related Party Transactions (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995509 - Disclosure - Note 15 - Segment Information (Details Textual) link:calculationLink link:definitionLink link:presentationLink