Organization and Nature of Operations	12 Months Ended
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization and Nature of Operations	1. Organization and Nature of Operations AST SpaceMobile, Inc., collectively with its subsidiaries (“SpaceMobile” or the “Company”), is an innovative satellite designer and manufacturer. The Company is currently in the process of assembling, integrating, and testing its BlueWalker 3 (“BW3”) test satellite. In addition, the Company is in the design, development, and procurement process for the constellation of BlueBird ("BB") satellites in advance of manufacturing and launching the first space-based global cellular broadband network distributed through a constellation of Low Earth Orbit Satellites. Once deployed and operational, the BB satellites is designed to provide connectivity directly to standard/unmodified cellular phones or any 2G/3G/4G LTE and 5G enabled device (the “SpaceMobile Service”). At that point, the Company intends to offer the SpaceMobile Service to cellular subscribers and others through wholesale commercial roaming agreements with cellular service providers on a global basis. The Company operates from six locations that include its corporate headquarters and 185,000 square foot satellite assembly, integrating and testing facilities in Midland, Texas, and engineering and development centers in Maryland, Spain, the United Kingdom, and Israel. In addition, its 51% owned and controlled subsidiary, NanoAvionika UAB (“Nano”), is located in Lithuania. On April 6, 2021 (the "Closing Date"), the Company completed a business combination (the “Business Combination”) pursuant to that certain equity purchase agreement, dated as of December 15, 2020 (the “Equity Purchase Agreement”), by and among AST & Science, LLC (“AST LLC”), New Providence Acquisition Corp. (“NPA”), the existing equityholders of AST LLC ("Existing Equityholders"), New Providence Acquisition Management LLC (“Sponsor”), and Mr. Abel Avellan, as representative of the Existing Equityholders. Immediately, upon the completion of the Business Combination, NPA was renamed AST SpaceMobile, Inc. and AST LLC became a subsidiary of the Company. The Business Combination is documented in greater detail in Note 3. Following the consummation of the Business Combination (the “Closing”), the combined company is organized in an “Up-C” structure in which the business of AST LLC and its subsidiaries is held by SpaceMobile and continues to operate through the subsidiaries of AST LLC, and in which SpaceMobile’s only direct assets consist of equity interests in AST LLC. The Company’s common stock and warrants are listed on the Nasdaq Capital Market under the symbols “ASTS” and “ASTSW”, respectively. As the managing member of AST LLC, SpaceMobile has full, exclusive and complete discretion to manage and control the business of AST LLC and to take all action it deems necessary, appropriate, advisable, incidental, or convenient to accomplish the purposes of AST LLC and, accordingly, the financial statements are being prepared on a consolidated basis with SpaceMobile. The Company is an “emerging growth company,” as defined in Section 2(a) of the Securities Act of 1933, as amended (the “Securities Act”), as modified by the Jumpstart Our Business Startups Act of 2012 (the “JOBS Act”), and the Company may take advantage of certain exemptions from various reporting requirements that are applicable to other public companies that are not emerging growth companies, including, but not limited to, not being required to comply with the auditor attestation requirements of Section 404 of the Sarbanes-Oxley Act, reduced disclosure obligations regarding executive compensation in the Company's periodic reports and proxy statements, and exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and stockholder approval of any golden parachute payments not previously approved.

Organization and Nature of Operations

12 Months Ended

Dec. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

AST SpaceMobile, Inc., collectively with its subsidiaries (“SpaceMobile” or the “Company”), is an innovative satellite designer and manufacturer. The Company is currently in the process of assembling, integrating, and testing its BlueWalker 3 (“BW3”) test satellite. In addition, the Company is in the design, development, and procurement process for the constellation of BlueBird ("BB") satellites in advance of manufacturing and launching the first space-based global cellular broadband network distributed through a constellation of Low Earth Orbit Satellites. Once deployed and operational, the BB satellites is designed to provide connectivity directly to standard/unmodified cellular phones or any 2G/3G/4G LTE and 5G enabled device (the “SpaceMobile Service”). At that point, the Company intends to offer the SpaceMobile Service to cellular subscribers and others through wholesale commercial roaming agreements with cellular service providers on a global basis. The Company operates from six locations that include its corporate headquarters and 185,000 square foot satellite assembly, integrating and testing facilities in Midland, Texas, and engineering and development centers in Maryland, Spain, the United Kingdom, and Israel. In addition, its 51% owned and controlled subsidiary, NanoAvionika UAB (“Nano”), is located in Lithuania.

On April 6, 2021 (the "Closing Date"), the Company completed a business combination (the “Business Combination”) pursuant to that certain equity purchase agreement, dated as of December 15, 2020 (the “Equity Purchase Agreement”), by and among AST & Science, LLC (“AST LLC”), New Providence Acquisition Corp. (“NPA”), the existing equityholders of AST LLC ("Existing Equityholders"), New Providence Acquisition Management LLC (“Sponsor”), and Mr. Abel Avellan, as representative of the Existing Equityholders. Immediately, upon the completion of the Business Combination, NPA was renamed AST SpaceMobile, Inc. and AST LLC became a subsidiary of the Company. The Business Combination is documented in greater detail in Note 3.

Following the consummation of the Business Combination (the “Closing”), the combined company is organized in an “Up-C” structure in which the business of AST LLC and its subsidiaries is held by SpaceMobile and continues to operate through the subsidiaries of AST LLC, and in which SpaceMobile’s only direct assets consist of equity interests in AST LLC. The Company’s common stock and warrants are listed on the Nasdaq Capital Market under the symbols “ASTS” and “ASTSW”, respectively. As the managing member of AST LLC, SpaceMobile has full, exclusive and complete discretion to manage and control the business of AST LLC and to take all action it deems necessary, appropriate, advisable, incidental, or convenient to accomplish the purposes of AST LLC and, accordingly, the financial statements are being prepared on a consolidated basis with SpaceMobile.

The Company is an “emerging growth company,” as defined in Section 2(a) of the Securities Act of 1933, as amended (the “Securities Act”), as modified by the Jumpstart Our Business Startups Act of 2012 (the “JOBS Act”), and the Company may take advantage of certain exemptions from various reporting requirements that are applicable to other public companies that are not emerging growth companies, including, but not limited to, not being required to comply with the auditor attestation requirements of Section 404 of the Sarbanes-Oxley Act, reduced disclosure obligations regarding executive compensation in the Company's periodic reports and proxy statements, and exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and stockholder approval of any golden parachute payments not previously approved.