BASIS OF PRESENTATION	6 Months Ended
Jun. 30, 2019
Accounting Policies [Abstract]
BASIS OF PRESENTATION	BASIS OF PRESENTATION The accompanying unaudited condensed consolidated financial statements include the accounts of ATRM Holdings, Inc. and its wholly owned subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation. Unless the context otherwise requires, references in the notes to condensed consolidated financial statements to (i) “ATRM,” the “Company,” “we,” “us” and “our,” refer to ATRM Holdings, Inc. and its consolidated subsidiaries, (ii) “KBS” refers to our Maine-based modular housing manufacturing business operated by our wholly-owned subsidiary KBS Builders, Inc., (iii) “EBGL” refers to our Minnesota-based operations including Glenbrook Building Supply, Inc. (“Glenbrook”), a retail supplier of lumber and other building supplies, and EdgeBuilder, Inc. (“EdgeBuilder”), a manufacturer of structural wall panels, permanent wood foundation systems and other engineered wood products, and (iv) "LSVM" refers to our Connecticut-based investment advisory company whose services include the management of pooled investment vehicles, as well as other specialty investment vehicles. Through our wholly-owned subsidiaries, KBS, Glenbrook, EdgeBuilder, and LSVM, we manufacture modular buildings for commercial and residential applications in production facilities located in South Paris and Waterford, Maine, operate a retail lumber yard located in Oakdale, Minnesota, manufacture structural wall panels, permanent wood foundation systems and other engineered wood products for use in construction of residential and commercial buildings in a production facility located in Prescott, Wisconsin, and provide investment advisory services from an office in Old Greenwich, Connecticut. The Company’s corporate headquarters is located at Glenbrook’s offices in Oakdale, Minnesota, a suburb of St. Paul. The Condensed Consolidated Balance Sheet at December 31, 2018 has been derived from our audited financial statements. The transaction through which the Company acquired LSVM (see Note 5) was accounted for as a transfer of assets between entities under common control. Accordingly, the accompanying condensed consolidated financial statements and related notes present the combined balance sheets, consolidated statements of operations, changes in shareholders' deficit, and cash flows for all periods presented. In the opinion of management, the unaudited interim condensed consolidated financial statements include all adjustments (consisting only of normal, recurring adjustments) necessary to present fairly the financial position, results of operations and cash flows for the interim periods presented. The results of operations for the three and six months ended June 30, 2019 are not necessarily indicative of the operating results to be expected for the full year or any future period. The accompanying unaudited condensed consolidated financial statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”). Certain information and footnote disclosures, normally included in consolidated financial statements prepared in accordance with accounting principles generally accepted in the United States of America, have been condensed or omitted, pursuant to such rules and regulations. Therefore, these condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and accompanying footnotes included in our Annual Report on Form 10-K for the year ended December 31, 2018.

BASIS OF PRESENTATION

The accompanying unaudited condensed consolidated financial statements include the accounts of ATRM Holdings, Inc. and its wholly owned subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation. Unless the context otherwise requires, references in the notes to condensed consolidated financial statements to (i) “ATRM,” the “Company,” “we,” “us” and “our,” refer to ATRM Holdings, Inc. and its consolidated subsidiaries, (ii) “KBS” refers to our Maine-based modular housing manufacturing business operated by our wholly-owned subsidiary KBS Builders, Inc., (iii) “EBGL” refers to our Minnesota-based operations including Glenbrook Building Supply, Inc. (“Glenbrook”), a retail supplier of lumber and other building supplies, and EdgeBuilder, Inc. (“EdgeBuilder”), a manufacturer of structural wall panels, permanent wood foundation systems and other engineered wood products, and (iv) "LSVM" refers to our Connecticut-based investment advisory company whose services include the management of pooled investment vehicles, as well as other specialty investment vehicles.

Through our wholly-owned subsidiaries, KBS, Glenbrook, EdgeBuilder, and LSVM, we manufacture modular buildings for commercial and residential applications in production facilities located in South Paris and Waterford, Maine, operate a retail lumber yard located in Oakdale, Minnesota, manufacture structural wall panels, permanent wood foundation systems and other engineered wood products for use in construction of residential and commercial buildings in a production facility located in Prescott, Wisconsin, and provide investment advisory services from an office in Old Greenwich, Connecticut.

The Company’s corporate headquarters is located at Glenbrook’s offices in Oakdale, Minnesota, a suburb of St. Paul.

The Condensed Consolidated Balance Sheet at December 31, 2018 has been derived from our audited financial statements. The transaction through which the Company acquired LSVM (see Note 5) was accounted for as a transfer of assets between entities under common control. Accordingly, the accompanying condensed consolidated financial statements and related notes present the combined balance sheets, consolidated statements of operations, changes in shareholders' deficit, and cash flows for all periods presented. In the opinion of management, the unaudited interim condensed consolidated financial statements include all adjustments (consisting only of normal, recurring adjustments) necessary to present fairly the financial position, results of operations and cash flows for the interim periods presented. The results of operations for the three and six months ended June 30, 2019 are not necessarily indicative of the operating results to be expected for the full year or any future period.

The accompanying unaudited condensed consolidated financial statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”). Certain information and footnote disclosures, normally included in consolidated financial statements prepared in accordance with accounting principles generally accepted in the United States of America, have been condensed or omitted, pursuant to such rules and regulations. Therefore, these condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and accompanying footnotes included in our Annual Report on Form 10-K for the year ended December 31, 2018.