Description of Business	9 Months Ended
Sep. 30, 2021
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Description of Business	1. DESCRIPTION OF BUSINESS Helius Medical Technologies, Inc. (the “Company”), is a neurotech company focused on neurological wellness. The Company’s purpose is to develop, license or acquire unique and non-invasive technologies targeted at reducing symptoms of neurological disease or trauma. The Company’s first product, known as the Portable Neuromodulation Stimulator (“PoNS®”), is an innovative non-surgical medical device, inclusive of a controller and mouthpiece, which delivers mild electrical stimulation to the surface of the tongue to provide treatment of gait deficit and is indicated for use in the United States as a short term treatment of gait deficit due to mild-to-moderate symptoms from multiple sclerosis (“MS”), and is to be used as an adjunct to a supervised therapeutic exercise program in patients 22 years of age and over by prescription only. It is not expected to be commercially available in the United States until the first quarter of 2022. PoNS is authorized for sale in Canada for two indications: (i) PoNS is authorized as a short term treatment (14 weeks) of chronic balance deficit due to mild-to-moderate traumatic brain injury (“mmTBI”) and is to be used in conjunction with physical therapy (“PoNS Treatment®”); and (ii) PoNS is authorized for use as a short term treatment (14 weeks) of gait deficit due to mild and moderate symptoms from MS and is to be used in conjunction with physical therapy. It has been commercially available in Canada since March 2019. The Company was incorporated in British Columbia, Canada on March 13, 2014. On May 28, 2014, the Company was reincorporated from British Columbia to the State of Wyoming, and on July 20, 2018, it was reincorporated from the State of Wyoming to the State of Delaware. The Company is headquartered in Newtown, Pennsylvania. On December 21, 2018, the Company’s wholly owned subsidiary, NeuroHabilitation Corporation, changed its name to Helius Medical, Inc (“HMI”). On January 31, 2019, the Company formed another wholly owned subsidiary, Helius NeuroRehab, Inc., (“HNR”), a Delaware corporation. On October 10, 2019, the Company formed Helius Canada Acquisition Ltd. (“HCA”), a company incorporated under the federal laws of Canada and a wholly owned subsidiary of Helius Medical Technologies (Canada), Inc. (“HMC”), a company incorporated under the federal laws of Canada, which acquired Heuro Canada, Inc. (“Heuro”) from Health Tech Connex Inc. (“HTC”) on October 30, 2019. Reverse Stock Split Effective after the close of business on December 31, 2020, the Company completed a 1-for-35 reverse stock split of its common stock. All share and per share amounts in this Quarterly Report have been reflected on a post-split basis. Going Concern Uncertainty As of September 30, 2021, the Company had cash of $4.7 million. For the nine months ended September 30, 2021, the Company had an operating loss of $14.0 million, and as of September 30, 2021, its accumulated deficit was $132.9 million. For the nine months ended September 30, 2021, the Company had $0.3 million of revenue from the commercial sale of products or services. The Company expects to continue to incur operating losses and net cash outflows until such time as it generates a level of revenue to support its cost structure. There is no assurance that the Company will achieve profitable operations, and, if achieved, whether it will be sustained on a continued basis. These factors indicate substantial doubt about the Company’s ability to continue as a going concern within one year after the date the financial statements are filed. The Company’s condensed consolidated financial statements have been prepared on the basis of continuity of operations, realization of assets and satisfaction of liabilities in the ordinary course of business; no adjustments have been made relating to the recoverability and classification of recorded asset amounts and classification of liabilities that might be necessary should the Company not continue as a going concern. The Company intends to fund ongoing activities by utilizing its current cash on hand, cash received from the sale of its PoNS™ device in Canada and by raising additional capital through equity or debt financings as well as by using its equity line facility entered into on September 1, 2021 with Lincoln Park Capital Fund, LLC (“Lincoln Park”), which is subject to certain limitations and conditions. There can be no assurance that the Company will be successful in raising that additional capital or that such capital, if available, will be on terms that are acceptable to the Company. If the Company is unable to raise sufficient additional capital, the Company may be compelled to reduce the scope of its operations and planned capital expenditures. Risks and Uncertainties COVID-19 On March 11, 2020, the World Health Organization declared the outbreak of a novel coronavirus (“COVID-19”) as a global pandemic, which continues to spread throughout the United States and around the world. The Company’s business, results of operations and financial condition have been and may continue to be adversely impacted by the COVID-19 pandemic and global economic conditions. The outbreak and spread of COVID-19 has significantly increased economic uncertainty. Authorities implemented, and continue to implement, numerous measures to try to contain COVID-19, such as travel bans and restrictions, quarantines, shelter in place orders, and business shutdowns. The COVID-19 pandemic initially led to the closure of PoNS Authorized clinic locations across Canada. While all clinics have re-opened, they are all currently operating at reduced capacity, and patients have been and may continue to be less willing to return to these clinics, impacting our commercial activities and our customer engagement efforts. In addition, the resurgence of COVID-19 cases across Canada in the fourth quarter of 2020 and first half of 2021 led to further restrictions on clinic activities. However, the rate of vaccination continues to increase throughout all provinces facilitating the lifting of some of the previously imposed restrictions during the third quarter of 2021. Moreover, the Company’s ability to conduct its ongoing clinical experience programs and clinical trials in Canada has been and may be impaired due to trial participants’ attendance being adversely affected by COVID-19. In addition, the COVID-19 pandemic has and may continue to cause delays in the Company’s suppliers’ ability to ship materials that the Company relies upon as well as manufacturing delays as the result of labor shortages. Disruptions in business or governmental operations due to COVID-19 may delay the timing for the submission and approval of the Company’s marketing applications with regulatory agencies. Further, the economic impact of the COVID-19 pandemic could affect the Company’s ability to access the public markets and obtain necessary capital in order to properly capitalize and continue its operations. To the extent the COVID-19 pandemic impacts the Company’s ability to complete the necessary pre-commercialization activities, the Company’s commercial launch in the U.S. could be impeded or delayed. The extent to which the COVID-19 pandemic will continue to impact the Company’s business, results of operations and financial condition will depend on future developments, which are highly uncertain and cannot be predicted. The Company does not know yet the full extent of the impact of COVID-19 on its future business, operations or the global economy as a whole.

Description of Business

9 Months Ended

Sep. 30, 2021

Organization Consolidation And Presentation Of Financial Statements [Abstract]

1. DESCRIPTION OF BUSINESS

Helius Medical Technologies, Inc. (the “Company”), is a neurotech company focused on neurological wellness. The Company’s purpose is to develop, license or acquire unique and non-invasive technologies targeted at reducing symptoms of neurological disease or trauma.

The Company’s first product, known as the Portable Neuromodulation Stimulator (“PoNS®”), is an innovative non-surgical medical device, inclusive of a controller and mouthpiece, which delivers mild electrical stimulation to the surface of the tongue to provide treatment of gait deficit and is indicated for use in the United States as a short term treatment of gait deficit due to mild-to-moderate symptoms from multiple sclerosis (“MS”), and is to be used as an adjunct to a supervised therapeutic exercise program in patients 22 years of age and over by prescription only. It is not expected to be commercially available in the United States until the first quarter of 2022. PoNS is authorized for sale in Canada for two indications: (i) PoNS is authorized as a short term treatment (14 weeks) of chronic balance deficit due to mild-to-moderate traumatic brain injury (“mmTBI”) and is to be used in conjunction with physical therapy (“PoNS Treatment®”); and (ii) PoNS is authorized for use as a short term treatment (14 weeks) of gait deficit due to mild and moderate symptoms from MS and is to be used in conjunction with physical therapy. It has been commercially available in Canada since March 2019.

The Company was incorporated in British Columbia, Canada on March 13, 2014. On May 28, 2014, the Company was reincorporated from British Columbia to the State of Wyoming, and on July 20, 2018, it was reincorporated from the State of Wyoming to the State of Delaware. The Company is headquartered in Newtown, Pennsylvania. On December 21, 2018, the Company’s wholly owned subsidiary, NeuroHabilitation Corporation, changed its name to Helius Medical, Inc (“HMI”). On January 31, 2019, the Company formed another wholly owned subsidiary, Helius NeuroRehab, Inc., (“HNR”), a Delaware corporation. On October 10, 2019, the Company formed Helius Canada Acquisition Ltd. (“HCA”), a company incorporated under the federal laws of Canada and a wholly owned subsidiary of Helius Medical Technologies (Canada), Inc. (“HMC”), a company incorporated under the federal laws of Canada, which acquired Heuro Canada, Inc. (“Heuro”) from Health Tech Connex Inc. (“HTC”) on October 30, 2019.

Reverse Stock Split

Effective after the close of business on December 31, 2020, the Company completed a 1-for-35 reverse stock split of its common stock. All share and per share amounts in this Quarterly Report have been reflected on a post-split basis.

Going Concern Uncertainty

As of September 30, 2021, the Company had cash of $4.7 million. For the nine months ended September 30, 2021, the Company had an operating loss of $14.0 million, and as of September 30, 2021, its accumulated deficit was $132.9 million. For the nine months ended September 30, 2021, the Company had $0.3 million of revenue from the commercial sale of products or services. The Company expects to continue to incur operating losses and net cash outflows until such time as it generates a level of revenue to support its cost structure. There is no assurance that the Company will achieve profitable operations, and, if achieved, whether it will be sustained on a continued basis. These factors indicate substantial doubt about the Company’s ability to continue as a going concern within one year after the date the financial statements are filed. The Company’s condensed consolidated financial statements have been prepared on the basis of continuity of operations, realization of assets and satisfaction of liabilities in the ordinary course of business; no adjustments have been made relating to the recoverability and classification of recorded asset amounts and classification of liabilities that might be necessary should the Company not continue as a going concern.

The Company intends to fund ongoing activities by utilizing its current cash on hand, cash received from the sale of its PoNS™ device in Canada and by raising additional capital through equity or debt financings as well as by using its equity line facility entered into on September 1, 2021 with Lincoln Park Capital Fund, LLC (“Lincoln Park”), which is subject to certain limitations and conditions. There can be no assurance that the Company will be successful in raising that additional capital or that such capital, if available, will be on terms that are acceptable to the Company. If the Company is unable to raise sufficient additional capital, the Company may be compelled to reduce the scope of its operations and planned capital expenditures.

Risks and Uncertainties

COVID-19

On March 11, 2020, the World Health Organization declared the outbreak of a novel coronavirus (“COVID-19”) as a global pandemic, which continues to spread throughout the United States and around the world. The Company’s business, results of operations and financial condition have been and may continue to be adversely impacted by the COVID-19 pandemic and global economic conditions. The outbreak and spread of COVID-19 has significantly increased economic uncertainty. Authorities implemented, and continue to implement, numerous measures to try to contain COVID-19, such as travel bans and restrictions, quarantines, shelter in place orders, and business shutdowns. The COVID-19 pandemic initially led to the closure of PoNS Authorized clinic locations across Canada. While all clinics have re-opened, they are all currently operating at reduced capacity, and patients have been and may continue to be less willing to return to these clinics, impacting our commercial activities and our customer engagement efforts. In addition, the resurgence of COVID-19 cases across Canada in the fourth quarter of 2020 and first half of

2021 led to further restrictions on clinic activities. However, the rate of vaccination continues to increase throughout all provinces facilitating the lifting of some of the previously imposed restrictions during the third quarter of 2021. Moreover, the Company’s ability to conduct its ongoing clinical experience programs and clinical trials in Canada has been and may be impaired due to trial participants’ attendance being adversely affected by COVID-19. In addition, the COVID-19 pandemic has and may continue to cause delays in the Company’s suppliers’ ability to ship materials that the Company relies upon as well as manufacturing delays as the result of labor shortages. Disruptions in business or governmental operations due to COVID-19 may delay the timing for the submission and approval of the Company’s marketing applications with regulatory agencies. Further, the economic impact of the COVID-19 pandemic could affect the Company’s ability to access the public markets and obtain necessary capital in order to properly capitalize and continue its operations.

To the extent the COVID-19 pandemic impacts the Company’s ability to complete the necessary pre-commercialization activities, the Company’s commercial launch in the U.S. could be impeded or delayed. The extent to which the COVID-19 pandemic will continue to impact the Company’s business, results of operations and financial condition will depend on future developments, which are highly uncertain and cannot be predicted. The Company does not know yet the full extent of the impact of COVID-19 on its future business, operations or the global economy as a whole.