Basis of Presentation	3 Months Ended
Mar. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Note 1 — Basis of Presentation GlassBridge Enterprises, Inc. (“GlassBridge”, the “Company”, “we”, “us” or “our”) owns and operates an asset management business and a technology platform through majority owned Adara Enterprises, Corp. f/k/a Imation Enterprises Corp. (“Adara”) and Sport-BLX, Inc. (“SportBLX”). Adara owns all of our asset management business, operated by Adara Asset Management, LLC (“AAM”) and holds part of our equity interest in SportBLX. GlassBridge Asset Management, LLC changed its name to Adara Asset Management, LLC in 2020. The interim Condensed Consolidated Financial Statements of GlassBridge are unaudited but, in the opinion of management, reflect all adjustments necessary for a fair statement of financial position, results of operations, comprehensive loss and cash flows for the periods presented. Except as otherwise disclosed herein, these adjustments consist of normal and recurring items. The results of operations for any interim period are not necessarily indicative of full year results. The Condensed Consolidated Financial Statements and Notes are presented in accordance with the requirements for Quarterly Reports on Form 10-Q and do not contain certain information included in our annual Consolidated Financial Statements and Notes presented in accordance with the requirements of Annual Reports on Form 10-K. The unaudited Condensed Consolidated Financial Statements include the accounts of the Company, its wholly-owned subsidiaries, and entities in which the Company owns or controls fifty percent or more of the voting shares or interest in such entity, and has the right to control. The results of entities disposed of are included in the unaudited Condensed Consolidated Financial Statements up to the date of the disposal and, where appropriate, these operations have been reflected as discontinued operations. All inter-company balances and transactions have been eliminated in consolidation and, in the opinion of management, all normal recurring adjustments necessary for a fair presentation have been included in the interim results reported. The preparation of the interim Condensed Consolidated Financial Statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the interim Condensed Consolidated Financial Statements and the reported amounts of revenue and expenses for the reporting periods. Despite our intention to establish accurate estimates and use reasonable assumptions, actual results may differ from our estimates. The December 31, 2019 Condensed Consolidated Balance Sheet data was derived from the audited Consolidated Financial Statements, but does not include all disclosures required by GAAP. This Form 10-Q should be read in conjunction with our Consolidated Financial Statements and Notes included in our Annual Report on Form 10-K for the year ended December 31, 2019, as filed with the U.S. Securities and Exchange Commission on April 3, 2020. The operating results of our legacy business segments, Consumer Storage and Accessories and Tiered Storage and Security Solutions (the “Legacy Businesses”) and the Nexsan Business (which includes the “Nexsan Group” as defined below), are presented in our Condensed Consolidated Statements of Operations as discontinued operations for all periods presented. Our continuing operations in each period presented represents our “Asset Management Business,” which consists of our investment advisory business conducted through AAM, as well as corporate expenses and activities not directly attributable to our Legacy Businesses or the Nexsan Business. Assets and liabilities directly associated with our Legacy Businesses and Nexsan Business and that are not part of our ongoing operations have been separately presented on the face of our Consolidated Balance Sheets for all periods presented. See Note 4 - Discontinued Operations for further information.

Basis of Presentation

3 Months Ended

Mar. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Note 1 — Basis of Presentation

GlassBridge Enterprises, Inc. (“GlassBridge”, the “Company”, “we”, “us” or “our”) owns and operates an asset management business and a technology platform through majority owned Adara Enterprises, Corp. f/k/a Imation Enterprises Corp. (“Adara”) and Sport-BLX, Inc. (“SportBLX”). Adara owns all of our asset management business, operated by Adara Asset Management, LLC (“AAM”) and holds part of our equity interest in SportBLX. GlassBridge Asset Management, LLC changed its name to Adara Asset Management, LLC in 2020.

The interim Condensed Consolidated Financial Statements of GlassBridge are unaudited but, in the opinion of management, reflect all adjustments necessary for a fair statement of financial position, results of operations, comprehensive loss and cash flows for the periods presented. Except as otherwise disclosed herein, these adjustments consist of normal and recurring items. The results of operations for any interim period are not necessarily indicative of full year results. The Condensed Consolidated Financial Statements and Notes are presented in accordance with the requirements for Quarterly Reports on Form 10-Q and do not contain certain information included in our annual Consolidated Financial Statements and Notes presented in accordance with the requirements of Annual Reports on Form 10-K.

The unaudited Condensed Consolidated Financial Statements include the accounts of the Company, its wholly-owned subsidiaries, and entities in which the Company owns or controls fifty percent or more of the voting shares or interest in such entity, and has the right to control. The results of entities disposed of are included in the unaudited Condensed Consolidated Financial Statements up to the date of the disposal and, where appropriate, these operations have been reflected as discontinued operations. All inter-company balances and transactions have been eliminated in consolidation and, in the opinion of management, all normal recurring adjustments necessary for a fair presentation have been included in the interim results reported.

The preparation of the interim Condensed Consolidated Financial Statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the interim Condensed Consolidated Financial Statements and the reported amounts of revenue and expenses for the reporting periods. Despite our intention to establish accurate estimates and use reasonable assumptions, actual results may differ from our estimates.

The December 31, 2019 Condensed Consolidated Balance Sheet data was derived from the audited Consolidated Financial Statements, but does not include all disclosures required by GAAP. This Form 10-Q should be read in conjunction with our Consolidated Financial Statements and Notes included in our Annual Report on Form 10-K for the year ended December 31, 2019, as filed with the U.S. Securities and Exchange Commission on April 3, 2020.

The operating results of our legacy business segments, Consumer Storage and Accessories and Tiered Storage and Security Solutions (the “Legacy Businesses”) and the Nexsan Business (which includes the “Nexsan Group” as defined below), are presented in our Condensed Consolidated Statements of Operations as discontinued operations for all periods presented. Our continuing operations in each period presented represents our “Asset Management Business,” which consists of our investment advisory business conducted through AAM, as well as corporate expenses and activities not directly attributable to our Legacy Businesses or the Nexsan Business. Assets and liabilities directly associated with our Legacy Businesses and Nexsan Business and that are not part of our ongoing operations have been separately presented on the face of our Consolidated Balance Sheets for all periods presented. See Note 4 - Discontinued Operations for further information.