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Note 11 - Stockholders' Equity (Details Textual) |  |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 24, 2024 USD ($) $ / shares shares | Jul. 12, 2021 $ / shares shares | Jun. 17, 2021 USD ($) shares | Jun. 17, 2021 USD ($) shares | Jun. 15, 2021 USD ($) $ / shares shares | Jul. 31, 2024 $ / shares shares | Sep. 30, 2024 USD ($) $ / shares shares | Jun. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2024 $ / shares shares | Jun. 30, 2024 shares | Sep. 30, 2024 USD ($) $ / shares shares | Sep. 30, 2023 USD ($) $ / shares | Dec. 31, 2023 USD ($) $ / shares shares | Dec. 01, 2023 USD ($) | Sep. 15, 2022 USD ($) | Aug. 31, 2021 $ / shares shares
Preferred Stock, Shares Authorized (in shares) |  |  |  |  |  |  | 1,000,000 |  |  | 1,000,000 |  | 1,000,000 |  |  |  |  |
Proceeds from Issuance of Preferred Stock and Preference Stock | $ |  |  |  |  |  |  |  |  |  |  |  | $ 1,195,855 | $ 0 |  |  |  |
Maximum Individual Common Stock Ownership, Percentage |  |  |  |  |  |  | 9.80% |  |  | 9.80% |  | 9.80% |  |  |  |  |
Number of Limited Partnerships in which Company is Sole General Partner |  |  |  |  |  |  |  |  |  | 5 |  |  |  |  |  |  |
NetREIT Genesis [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Ownership Percentage, Parent |  |  |  |  |  |  | 100.00% |  |  | 100.00% |  | 100.00% |  |  |  |  |
NetREIT Genesis II [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Ownership Percentage, Parent |  |  |  |  |  |  | 81.50% |  |  | 81.50% |  | 81.50% |  |  |  |  |
Genesis Plaza [Member] | Tenant-in-common One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage Ownership in Property |  |  |  |  |  |  | 57.00% |  |  | 57.00% |  | 57.00% |  |  |  |  |
Percentage Beneficial Ownership in Property |  |  |  |  |  |  | 92.00% |  |  | 92.00% |  | 92.00% |  |  |  |  |
Genesis Plaza [Member] | Tenant-in-common Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage Ownership in Property |  |  |  |  |  |  | 43.00% |  |  | 43.00% |  | 43.00% |  |  |  |  |
Percentage Beneficial Ownership in Property |  |  |  |  |  |  | 92.00% |  |  | 92.00% |  | 92.00% |  |  |  |  |
Commercial Property [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Real Estate Properties |  |  |  |  |  |  | 12 |  |  | 12 |  | 12 |  |  |  |  |
Commercial Property [Member] | Partially Owned Properties [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Real Estate Properties |  |  |  |  |  |  | 2 |  |  | 2 |  | 2 |  |  |  |  |
Class A Common Stock and Accompanying Common Stock Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  | $ 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class A Common Stock and Accompanying Pre-funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  | $ 4.99 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  | 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares |  | $ 5.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding, Term (Year) |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pre-funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares |  | $ 0.01 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Placement Agent Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 80,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6.25
Warrants and Rights Outstanding, Term (Year) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years
Class of Warrant or Right, Securities Called By Warrants or Rights, Percentage of Class of Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.00%
Common Stock Warrants and Placement Agent Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercised During Period (in shares) |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |
CEO and CIO [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum Excepted Individual Common Stock Beneficially or Constructively Ownership, Percentage |  |  |  |  |  |  | 19.00% |  |  | 19.00% |  | 19.00% |  |  |  |  |
Underwritten Public Offering [Member] | The Benchmark Company, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | 109,054 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares | $ 16 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity Offering, Underwriting Discount, Percentage | 7.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, New Issues | $ | $ 1,740,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series D Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Authorized (in shares) |  |  |  |  |  |  | 1,000,000 |  |  | 1,000,000 |  | 1,000,000 |  | 1,000,000 |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  |  | 920,000 | 800,000 |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  |  |  |  | $ 25 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Preferred Stock and Preference Stock | $ |  |  |  | $ 20,500,000 | $ 18,100,000 |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, New Issues | $ |  |  |  |  |  |  |  | $ 1,195,855 |  |  |  |  |  |  |  |  |
Preferred Stock, Dividend Rate, Percentage |  |  |  |  |  |  |  |  |  |  |  | 9.375% |  |  |  |  |
Preferred Stock, Liquidation Preference Per Share (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 25 |  |  | $ 25 |  | $ 25 |  | $ 25 |  |  |
Preferred Stock, Dividend Rate, Per-Dollar-Amount (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 2.34375 |  |  |  |  |
Preferred Stock, Number of Board of Directors Entitled to Vote if Dividends not Paid for 18 Monthly Dividend Periods |  |  |  |  |  |  | 2 |  |  | 2 |  | 2 |  |  |  |  |
Preferred Stock, Percentage of Outstanding Shares Required to Authorize Senior Ranking Stock |  |  |  |  |  |  | 66.67% |  |  | 66.67% |  | 66.67% |  |  |  |  |
Preferred Stock, Redemption Price Per Share (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 25 |  |  | $ 25 |  | $ 25 |  |  |  |  |
Preferred Stock, Dividends Per Share, Declared (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 1.75779 | $ 1.75779 |  |  |  |
Payments of Dividends | $ |  |  |  |  |  |  | $ 600,000 |  | $ 500,000 |  |  | $ 1,700,000 | $ 1,600,000 |  |  |  |
Stock Repurchase Program, Authorized Amount | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,000,000 | $ 4,000,000 |
Stock Repurchased During Period, Shares (in shares) |  |  |  |  |  |  |  |  |  |  |  | 137,709 |  | 23,041 |  |  |
Stock Repurchased, Average Cost Per Share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 0.7072 |  | $ 16.06 |  |  |
Stock Repurchased, Commission Per Share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.035 |  |  |
Stock Repurchased During Period, Value | $ |  |  |  |  |  |  |  |  |  |  |  | $ 97,394 |  | $ 400,000 |  |  |
Series D Preferred Stock [Member] | O 2024 H2 Dividends [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Dividends Per Share, Declared (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 0.19531 |  |  |  |  |
Series D Preferred Stock [Member] | Over-Allotment Option [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  | 120,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Preferred Stock and Preference Stock | $ |  |  | $ 2,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option to Purchase Additional Shares, Period (Day) |  |  |  |  | 45 days |  |  |  |  |  |  |  |  |  |  |  |
Common Class A [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Value, New Issues | $ |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |
Common Stock, Shares Authorized (in shares) |  |  |  |  |  |  | 100,000,000 |  |  | 100,000,000 |  | 100,000,000 |  | 100,000,000 |  |  |
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 0.01 |  |  | $ 0.01 |  | $ 0.01 |  | $ 0.01 |  |  |
Common Stock, Shares, Issued (in shares) |  |  |  |  |  |  | 12,369,645 |  |  | 12,369,645 |  | 12,369,645 |  | 12,265,061 |  |  |
Stock Repurchase Program, Authorized Amount | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6,000,000 | $ 6,000,000 |
Common Class A [Member] | Shares Issued for Ownership Exchange [Member] | NetREIT Genesis II [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued in Exchange for Ownership Percentage |  |  |  |  |  | 36.40% |  |  |  |  |  |  |  |  |  |  |
Common Class A [Member] | Shares Issued for Ownership Exchange [Member] | NetREIT Genesis II [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  |  |  |  | 78,215 |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  |  |  |  |  | $ 9.3 |  |  |  |  |  |  |  |  |  |  |
Common Class B [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Shares Authorized (in shares) |  |  |  |  |  |  | 1,000 |  |  | 1,000 |  | 1,000 |  |  |  |  |
Common Stock, Shares, Issued (in shares) |  |  |  |  |  |  | 0 |  |  | 0 |  | 0 |  |  |  |  |
Common Class C [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Shares Authorized (in shares) |  |  |  |  |  |  | 9,000,000 |  |  | 9,000,000 |  | 9,000,000 |  |  |  |  |
Common Stock, Number of Entitled Votes |  |  |  |  |  |  | 1 |  |  | 1 |  | 1 |  |  |  |  |
Series A Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments of Dividends | $ |  |  |  |  |  |  | $ 0 |  | $ 300,000 |  |  | $ 0 | $ 900,000 |  |  |  |

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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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