3.24.3 html 196 281 1 false 49 0 false 6 false false R1.htm 000 - Document - Document And Entity Information Sheet http://nrchealth.com/20240930/role/statement-document-and-entity-information Document And Entity Information Cover 1 false false R2.htm 001 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) Sheet http://nrchealth.com/20240930/role/statement-condensed-consolidated-balance-sheets-current-period-unaudited Condensed Consolidated Balance Sheets (Current Period Unaudited) Statements 2 false false R3.htm 002 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) Sheet http://nrchealth.com/20240930/role/statement-condensed-consolidated-balance-sheets-current-period-unaudited-parentheticals Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) Statements 3 false false R4.htm 003 - Statement - Condensed Consolidated Statements of Income (Unaudited) Sheet http://nrchealth.com/20240930/role/statement-condensed-consolidated-statements-of-income-unaudited Condensed Consolidated Statements of Income (Unaudited) Statements 4 false false R5.htm 004 - Statement - Condensed Consolidated Statements of Shareholders' Equity (Unaudited) Sheet http://nrchealth.com/20240930/role/statement-condensed-consolidated-statements-of-shareholders-equity-unaudited Condensed Consolidated Statements of Shareholders' Equity (Unaudited) Statements 5 false false R6.htm 005 - Statement - Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parentheticals) Sheet http://nrchealth.com/20240930/role/statement-condensed-consolidated-statements-of-shareholders-equity-unaudited-parentheticals Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parentheticals) Statements 6 false false R7.htm 006 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) Sheet http://nrchealth.com/20240930/role/statement-condensed-consolidated-statements-of-cash-flows-unaudited Condensed Consolidated Statements of Cash Flows (Unaudited) Statements 7 false false R8.htm 007 - Disclosure - Note 1 - Summary of Significant Accounting Policies Sheet http://nrchealth.com/20240930/role/statement-note-1-summary-of-significant-accounting-policies Note 1 - Summary of Significant Accounting Policies Notes 8 false false R9.htm 008 - Disclosure - Note 2 - Acquisition Sheet http://nrchealth.com/20240930/role/statement-note-2-acquisition Note 2 - Acquisition Notes 9 false false R10.htm 009 - Disclosure - Note 3 - Contracts With Customers Sheet http://nrchealth.com/20240930/role/statement-note-3-contracts-with-customers Note 3 - Contracts With Customers Notes 10 false false R11.htm 010 - Disclosure - Note 3 - Income Taxes Sheet http://nrchealth.com/20240930/role/statement-note-3-income-taxes Note 3 - Income Taxes Notes 11 false false R12.htm 011 - Disclosure - Note 5 - Credit Agreement Sheet http://nrchealth.com/20240930/role/statement-note-5-credit-agreement Note 5 - Credit Agreement Notes 12 false false R13.htm 012 - Disclosure - Note 6 - Share-based Compensation Sheet http://nrchealth.com/20240930/role/statement-note-6-sharebased-compensation Note 6 - Share-based Compensation Notes 13 false false R14.htm 013 - Disclosure - Note 7 - Goodwill and Other Intangible Assets Sheet http://nrchealth.com/20240930/role/statement-note-7-goodwill-and-other-intangible-assets Note 7 - Goodwill and Other Intangible Assets Notes 14 false false R15.htm 014 - Disclosure - Note 8 - Property and Equipment Sheet http://nrchealth.com/20240930/role/statement-note-8-property-and-equipment Note 8 - Property and Equipment Notes 15 false false R16.htm 015 - Disclosure - Note 9 - Earnings Per Share Sheet http://nrchealth.com/20240930/role/statement-note-9-earnings-per-share Note 9 - Earnings Per Share Notes 16 false false R17.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 17 false false R18.htm 995461 - Disclosure - Significant Accounting Policies (Policies) Sheet http://nrchealth.com/20240930/role/statement-significant-accounting-policies-policies Significant Accounting Policies (Policies) Policies http://nrchealth.com/20240930/role/statement-note-1-summary-of-significant-accounting-policies 18 false false R19.htm 995462 - Disclosure - Note 1 - Summary of Significant Accounting Policies (Tables) Sheet http://nrchealth.com/20240930/role/statement-note-1-summary-of-significant-accounting-policies-tables Note 1 - Summary of Significant Accounting Policies (Tables) Tables http://nrchealth.com/20240930/role/statement-note-1-summary-of-significant-accounting-policies 19 false false R20.htm 995463 - Disclosure - Note 2 - Acquisition (Tables) Sheet http://nrchealth.com/20240930/role/statement-note-2-acquisition-tables Note 2 - Acquisition (Tables) Tables http://nrchealth.com/20240930/role/statement-note-2-acquisition 20 false false R21.htm 995464 - Disclosure - Note 3 - Contracts With Customers (Tables) Sheet http://nrchealth.com/20240930/role/statement-note-3-contracts-with-customers-tables Note 3 - Contracts With Customers (Tables) Tables http://nrchealth.com/20240930/role/statement-note-3-contracts-with-customers 21 false false R22.htm 995465 - Disclosure - Note 5 - Credit Agreement (Tables) Sheet http://nrchealth.com/20240930/role/statement-note-5-credit-agreement-tables Note 5 - Credit Agreement (Tables) Tables http://nrchealth.com/20240930/role/statement-note-5-credit-agreement 22 false false R23.htm 995466 - Disclosure - Note 6 - Share-based Compensation (Tables) Sheet http://nrchealth.com/20240930/role/statement-note-6-sharebased-compensation-tables Note 6 - Share-based Compensation (Tables) Tables http://nrchealth.com/20240930/role/statement-note-6-sharebased-compensation 23 false false R24.htm 995467 - Disclosure - Note 7 - Goodwill and Other Intangible Assets (Tables) Sheet http://nrchealth.com/20240930/role/statement-note-7-goodwill-and-other-intangible-assets-tables Note 7 - Goodwill and Other Intangible Assets (Tables) Tables http://nrchealth.com/20240930/role/statement-note-7-goodwill-and-other-intangible-assets 24 false false R25.htm 995468 - Disclosure - Note 8 - Property and Equipment (Tables) Sheet http://nrchealth.com/20240930/role/statement-note-8-property-and-equipment-tables Note 8 - Property and Equipment (Tables) Tables http://nrchealth.com/20240930/role/statement-note-8-property-and-equipment 25 false false R26.htm 995469 - Disclosure - Note 9 - Earnings Per Share (Tables) Sheet http://nrchealth.com/20240930/role/statement-note-9-earnings-per-share-tables Note 9 - Earnings Per Share (Tables) Tables http://nrchealth.com/20240930/role/statement-note-9-earnings-per-share 26 false false R27.htm 995470 - Disclosure - Note 1 - Summary of Significant Accounting Policies (Details Textual) Sheet http://nrchealth.com/20240930/role/statement-note-1-summary-of-significant-accounting-policies-details-textual Note 1 - Summary of Significant Accounting Policies (Details Textual) Details http://nrchealth.com/20240930/role/statement-note-1-summary-of-significant-accounting-policies-tables 27 false false R28.htm 995471 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Amortization Expense Classification (Details) Sheet http://nrchealth.com/20240930/role/statement-note-1-summary-of-significant-accounting-policies-amortization-expense-classification-details Note 1 - Summary of Significant Accounting Policies - Amortization Expense Classification (Details) Details 28 false false R29.htm 995472 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Allowance for Doubtful Accounts (Details) Sheet http://nrchealth.com/20240930/role/statement-note-1-summary-of-significant-accounting-policies-allowance-for-doubtful-accounts-details Note 1 - Summary of Significant Accounting Policies - Allowance for Doubtful Accounts (Details) Details 29 false false R30.htm 995473 - Disclosure - Note 1 - Summary of Significant Accounting Policies - Fair Value of Financial Assets and Liabilities (Details) Sheet http://nrchealth.com/20240930/role/statement-note-1-summary-of-significant-accounting-policies-fair-value-of-financial-assets-and-liabilities-details Note 1 - Summary of Significant Accounting Policies - Fair Value of Financial Assets and Liabilities (Details) Details 30 false false R31.htm 995474 - Disclosure - Note 2 - Acquisition (Details Textual) Sheet http://nrchealth.com/20240930/role/statement-note-2-acquisition-details-textual Note 2 - Acquisition (Details Textual) Details http://nrchealth.com/20240930/role/statement-note-2-acquisition-tables 31 false false R32.htm 995475 - Disclosure - Note 2 - Acquisitions - Schedule of Business Acquisitions by Acquisition (Details) Sheet http://nrchealth.com/20240930/role/statement-note-2-acquisitions-schedule-of-business-acquisitions-by-acquisition-details Note 2 - Acquisitions - Schedule of Business Acquisitions by Acquisition (Details) Details 32 false false R33.htm 995476 - Disclosure - Note 2 - Acquisition - Recognized Amounts of Assets Acquired and Liabilities Assumed (Details) Sheet http://nrchealth.com/20240930/role/statement-note-2-acquisition-recognized-amounts-of-assets-acquired-and-liabilities-assumed-details Note 2 - Acquisition - Recognized Amounts of Assets Acquired and Liabilities Assumed (Details) Details 33 false false R34.htm 995477 - Disclosure - Note 3 - Contracts With Customers 1 (Details Textual) Sheet http://nrchealth.com/20240930/role/statement-note-3-contracts-with-customers-1-details-textual Note 3 - Contracts With Customers 1 (Details Textual) Details http://nrchealth.com/20240930/role/statement-note-3-contracts-with-customers-tables 34 false false R35.htm 995478 - Disclosure - Note 3 - Contracts With Customers 2 (Details Textual) Sheet http://nrchealth.com/20240930/role/statement-note-3-contracts-with-customers-2-details-textual Note 3 - Contracts With Customers 2 (Details Textual) Details http://nrchealth.com/20240930/role/statement-note-3-contracts-with-customers-tables 35 false false R36.htm 995479 - Disclosure - Note 3 - Contracts With Customers - Disaggregation of Revenue (Details) Sheet http://nrchealth.com/20240930/role/statement-note-3-contracts-with-customers-disaggregation-of-revenue-details Note 3 - Contracts With Customers - Disaggregation of Revenue (Details) Details 36 false false R37.htm 995480 - Disclosure - Note 3 - Contracts With Customers - Information About Receivables, Contract Assets, and Contract Liabilities From Contracts With Customers (Details) Sheet http://nrchealth.com/20240930/role/statement-note-3-contracts-with-customers-information-about-receivables-contract-assets-and-contract-liabilities-from-contracts-with-customers-details Note 3 - Contracts With Customers - Information About Receivables, Contract Assets, and Contract Liabilities From Contracts With Customers (Details) Details 37 false false R38.htm 995481 - Disclosure - Note 3 - Income Taxes (Details Textual) Sheet http://nrchealth.com/20240930/role/statement-note-3-income-taxes-details-textual Note 3 - Income Taxes (Details Textual) Details http://nrchealth.com/20240930/role/statement-note-3-income-taxes 38 false false R39.htm 995482 - Disclosure - Note 5 - Credit Agreement (Details Textual) Sheet http://nrchealth.com/20240930/role/statement-note-5-credit-agreement-details-textual Note 5 - Credit Agreement (Details Textual) Details http://nrchealth.com/20240930/role/statement-note-5-credit-agreement-tables 39 false false R40.htm 995483 - Disclosure - Note 5 - Credit Agreement - Summary of Notes Payable (Details) Notes http://nrchealth.com/20240930/role/statement-note-5-credit-agreement-summary-of-notes-payable-details Note 5 - Credit Agreement - Summary of Notes Payable (Details) Details 40 false false R41.htm 995484 - Disclosure - Note 6 - Share-based Compensation (Details Textual) Sheet http://nrchealth.com/20240930/role/statement-note-6-sharebased-compensation-details-textual Note 6 - Share-based Compensation (Details Textual) Details http://nrchealth.com/20240930/role/statement-note-6-sharebased-compensation-tables 41 false false R42.htm 995485 - Disclosure - Note 6 - Share-based Compensation - Stock Options Valuation Assumptions (Details) Sheet http://nrchealth.com/20240930/role/statement-note-6-sharebased-compensation-stock-options-valuation-assumptions-details Note 6 - Share-based Compensation - Stock Options Valuation Assumptions (Details) Details 42 false false R43.htm 995486 - Disclosure - Note 6 - Share-based Compensation - Stock Option Activity Under Equity Incentive Plans and Director Plan (Details) Sheet http://nrchealth.com/20240930/role/statement-note-6-sharebased-compensation-stock-option-activity-under-equity-incentive-plans-and-director-plan-details Note 6 - Share-based Compensation - Stock Option Activity Under Equity Incentive Plans and Director Plan (Details) Details 43 false false R44.htm 995487 - Disclosure - Note 6 - Share-based Compensation - Non-vested Stock (Details) Sheet http://nrchealth.com/20240930/role/statement-note-6-sharebased-compensation-nonvested-stock-details Note 6 - Share-based Compensation - Non-vested Stock (Details) Details 44 false false R45.htm 995488 - Disclosure - Note 7 - Goodwill and Intangible Assets - Summary of Goodwill and Intangible Assets (Details) Sheet http://nrchealth.com/20240930/role/statement-note-7-goodwill-and-intangible-assets-summary-of-goodwill-and-intangible-assets-details Note 7 - Goodwill and Intangible Assets - Summary of Goodwill and Intangible Assets (Details) Details 45 false false R46.htm 995489 - Disclosure - Note 8 - Property and Equipment - Summary of Property and Equipment (Details) Sheet http://nrchealth.com/20240930/role/statement-note-8-property-and-equipment-summary-of-property-and-equipment-details Note 8 - Property and Equipment - Summary of Property and Equipment (Details) Details 46 false false R47.htm 995490 - Disclosure - Note 9 - Earnings Per Share (Details Textual) Sheet http://nrchealth.com/20240930/role/statement-note-9-earnings-per-share-details-textual Note 9 - Earnings Per Share (Details Textual) Details http://nrchealth.com/20240930/role/statement-note-9-earnings-per-share-tables 47 false false R48.htm 995491 - Disclosure - Note 9 - Earnings Per Share - Net Income Per Share Computation (Details) Sheet http://nrchealth.com/20240930/role/statement-note-9-earnings-per-share-net-income-per-share-computation-details Note 9 - Earnings Per Share - Net Income Per Share Computation (Details) Details 48 false false All Reports Book All Reports nrc-20240930.xsd nrc-20240930_cal.xml nrc-20240930_def.xml nrc-20240930_lab.xml nrc-20240930_pre.xml nrc20240930_10q.htm http://fasb.org/us-gaap/2024 http://xbrl.sec.gov/dei/2024 http://xbrl.sec.gov/ecd/2024 true true