Organization	9 Months Ended
Mar. 31, 2022
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Organization	1. Organization Great Elm Group, Inc. (referred to as the Company or GEG) is a holding company incorporated in Delaware. The Company currently has two business operating segments: durable medical equipment and investment management, with general corporate representing unallocated costs and activity to arrive at consolidated operations. The Company is pursuing business development opportunities in durable medical equipment, investment management and other industries. Investment Management On September 27, 2016, the Company’s wholly-owned SEC-registered investment advisor subsidiary Great Elm Capital Management, Inc. (GECM), a Delaware corporation, entered into an investment management agreement (the IMA) with Great Elm Capital Corp. (GECC), a publicly-traded business development company incorporated in Maryland. On November 3, 2016, Full Circle Capital Corporation merged with and into GECC and GECM hired the employees of MAST Capital Management, LLC (MAST Capital), a Delaware limited liability company, to manage the assets of GECC. Durable Medical Equipment On September 7, 2018, the Company, through its majority-owned subsidiary, Great Elm DME Holdings, Inc. (DME Holdings), acquired an 80.1% equity interest in Great Elm DME, Inc. (DME Inc.) an entity formed to acquire and combine two companies, Valley Healthcare Holding, LLC and Northwest Medical, LLC., which both specialize in the distribution of respiratory care equipment, including primarily positive air pressure equipment and supplies, ventilators and oxygen equipment and operate in Arizona, Nebraska Oregon, Washington and Alaska. The Company has subsequently expanded its durable medical equipment business to Kansas, Iowa, and Missouri through acquisitions in 2019 and 2021. On May 31, 2021, our wholly-owned subsidiary DME Holdings exchanged their 80.1% interests in DME Inc. for an identical 80.1% direct interest in DME Inc.’s subsidiary Great Elm Healthcare, LLC (HC LLC), which is the sole owner of the durable medical equipment operating subsidiaries. Following the consummation of the taxable reorganization, the Company no longer has an interest in DME Inc. General Corporate On December 29, 2020, the Company completed a reorganization of the Company's corporate structure, where Great Elm Capital Group, Inc. (GEC) changed its name to Forest Investments, Inc. (Forest) and became a wholly owned subsidiary of a new holding company, Great Elm Group, Inc. Outstanding shares of Forest under the ticker symbol “GEC” were automatically converted into shares of common stock of Great Elm Group, Inc., ticker symbol “GEG”. Forest common stock was then delisted from the NASDAQ Global Select Market and subsequently deregistered under Section 12(b) of the Securities Exchange Act of 1934, as amended. The Holding Company Reorganization (as defined in Note 6 – Related Party Transactions) was a tax-free transaction for U.S. federal income tax purposes for the Company’s shareholders. Discontinued Operations We launched our real estate business in March 2018 with an investment of $2.7 million for a majority-interest in two Class A office buildings totaling 257,000 square feet situated on 17 acres of land in Fort Myers, Florida (collectively, the Property). The Property was fully-leased, on a triple-net basis, to a single tenant through March 31, 2030. On June 23, 2021, the Company sold its real estate business for $4.6 million in cash. The accompanying consolidated financial statements include the accounts of the Company and its wholly-owned and majority-owned subsidiaries. Wholly-owned subsidiaries include GECM, Great Elm Opportunities GP, Inc. (GEO GP), Great Elm FM Acquisition, Inc. (FM Acquisition), DME Holdings, Great Elm DME Manager, LLC (DME Manager) and Great Elm Capital GP, LLC (GEC GP). Majority-owned subsidiaries (including those divested during the year) include Forest, Great Elm FM Holdings, Inc. (FM Holdings), and HC LLC and its eight wholly-owned subsidiaries. In addition, we have determined that the Company is the primary beneficiary of certain variable interest entities, and therefore the operations of those entities have been included in our consolidated results for the relevant periods.

Organization

9 Months Ended

Mar. 31, 2022

Organization Consolidation And Presentation Of Financial Statements [Abstract]

1. Organization

Great Elm Group, Inc. (referred to as the Company or GEG) is a holding company incorporated in Delaware. The Company currently has two business operating segments: durable medical equipment and investment management, with general corporate representing unallocated costs and activity to arrive at consolidated operations. The Company is pursuing business development opportunities in durable medical equipment, investment management and other industries.

Investment Management

On September 27, 2016, the Company’s wholly-owned SEC-registered investment advisor subsidiary Great Elm Capital Management, Inc. (GECM), a Delaware corporation, entered into an investment management agreement (the IMA) with Great Elm Capital Corp. (GECC), a publicly-traded business development company incorporated in Maryland.

On November 3, 2016, Full Circle Capital Corporation merged with and into GECC and GECM hired the employees of MAST Capital Management, LLC (MAST Capital), a Delaware limited liability company, to manage the assets of GECC.

Durable Medical Equipment

On September 7, 2018, the Company, through its majority-owned subsidiary, Great Elm DME Holdings, Inc. (DME Holdings), acquired an 80.1% equity interest in Great Elm DME, Inc. (DME Inc.) an entity formed to acquire and combine two companies, Valley Healthcare Holding, LLC and Northwest Medical, LLC., which both specialize in the distribution of respiratory care equipment, including primarily positive air pressure equipment and supplies, ventilators and oxygen equipment and operate in Arizona, Nebraska Oregon, Washington and Alaska. The Company has subsequently expanded its durable medical equipment business to Kansas, Iowa, and Missouri through acquisitions in 2019 and 2021.

On May 31, 2021, our wholly-owned subsidiary DME Holdings exchanged their 80.1% interests in DME Inc. for an identical 80.1% direct interest in DME Inc.’s subsidiary Great Elm Healthcare, LLC (HC LLC), which is the sole owner of the durable medical equipment operating subsidiaries. Following the consummation of the taxable reorganization, the Company no longer has an interest in DME Inc.

General Corporate

On December 29, 2020, the Company completed a reorganization of the Company's corporate structure, where Great Elm Capital Group, Inc. (GEC) changed its name to Forest Investments, Inc. (Forest) and became a wholly owned subsidiary of a new holding company, Great Elm Group, Inc. Outstanding shares of Forest under the ticker symbol “GEC” were automatically converted into shares of common stock of Great Elm Group, Inc., ticker symbol “GEG”. Forest common stock was then delisted from the NASDAQ Global Select Market and subsequently deregistered under Section 12(b) of the Securities Exchange Act of 1934, as amended. The Holding Company Reorganization (as defined in Note 6 – Related Party Transactions) was a tax-free transaction for U.S. federal income tax purposes for the Company’s shareholders.

Discontinued Operations

We launched our real estate business in March 2018 with an investment of $2.7 million for a majority-interest in two Class A office buildings totaling 257,000 square feet situated on 17 acres of land in Fort Myers, Florida (collectively, the Property). The Property was fully-leased, on a triple-net basis, to a single tenant through March 31, 2030. On June 23, 2021, the Company sold its real estate business for $4.6 million in cash.

The accompanying consolidated financial statements include the accounts of the Company and its wholly-owned and majority-owned subsidiaries. Wholly-owned subsidiaries include GECM, Great Elm Opportunities GP, Inc. (GEO GP), Great Elm FM Acquisition, Inc. (FM Acquisition), DME Holdings, Great Elm DME Manager, LLC (DME Manager) and Great Elm Capital GP, LLC (GEC GP). Majority-owned subsidiaries (including those divested during the year) include Forest, Great Elm FM Holdings, Inc. (FM Holdings), and HC LLC and its eight wholly-owned subsidiaries. In addition, we have determined that the Company is the primary beneficiary of certain variable interest entities, and therefore the operations of those entities have been included in our consolidated results for the relevant periods.