Document And Entity Information - USD ($)

12 Months Ended

Dec. 31, 2024

Mar. 14, 2025

Jun. 30, 2024

Cover [Abstract]

Document Type

10-K

Amendment Flag

false

Document Period End Date

Dec. 31, 2024

Document Fiscal Year Focus

2024

Document Fiscal Period Focus

FY

Trading Symbol

SELF

Entity Registrant Name

GLOBAL SELF STORAGE, INC.

Entity Central Index Key

0001031235

Current Fiscal Year End Date

--12-31

Entity Well-known Seasoned Issuer

No

Entity Current Reporting Status

Yes

Entity Voluntary Filers

No

Entity Emerging Growth Company

false

Entity Small Business

true

Entity Shell Company

false

Entity Filer Category

Non-accelerated Filer

ICFR Auditor Attestation Flag

false

Entity Common Stock, Shares Outstanding

11,269,046

Entity Public Float

$ 50,277,267

Entity File Number

001-12681

Entity Tax Identification Number

13-3926714

Entity Address, Address Line One

3814 Route 44

Entity Address, City or Town

Millbrook

Entity Address, State or Province

NY

Entity Address, Postal Zip Code

12545

City Area Code

212

Local Phone Number

785-0900

Entity Interactive Data Current

Yes

Entity Incorporation, State or Country Code

MD

Document Annual Report

true

Document Transition Report

false

Title of 12(b) Security

Common Stock, $0.01 par value

Security Exchange Name

NASDAQ

Documents Incorporated by Reference

Portions of the registrant’s definitive proxy statement to be issued in connection with the registrant’s annual stockholders’ meeting to be held in 2025 are incorporated by reference into Part III of this Annual Report on Form 10-K.

Auditor Name

RSM US LLP

Auditor Firm ID

49

Auditor Location

Dallas, Texas, United States

Auditor Opinion

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Global Self Storage, Inc. and its subsidiaries (the Company) as of December 31, 2024 and 2023, the related consolidated statements of operations and comprehensive income, stockholders’ equity and cash flows for the years then ended, and the related notes to the consolidated financial statements and schedule (collectively, the financial statements). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2024 and 2023, and the results of its operations and its cash flows for the years then ended in conformity with accounting principles generally accepted in the United States of America.

Document Financial Statement Error Correction [Flag]

false