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Commitments and Contingencies - Additional Information (Details) - USD ($) |  |  | 1 Months Ended | 3 Months Ended |
--- | --- | --- | --- | --- | ---
Dec. 29, 2017 | Jan. 22, 2013 | Jul. 31, 2017 | Mar. 31, 2017 | Nov. 30, 2014 | Mar. 31, 2018 | Oct. 30, 2017
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Lease commencement date |  |  | Jul. 17, 2017 | Jul. 01, 2017 |  |  |
Lease termination date |  |  | Jan. 16, 2023 | Dec. 31, 2022 |  |  |
Lease option to extend termination year |  |  |  | 2027 |  |  |
Lease option to extend termination date |  |  | Jan. 31, 2028 |  |  |  |
Lease monthly rent plus utilities |  |  | $ 20,000 |  |  |  |
Lease monthly rent plus utilities beginning date |  |  | Jan. 31, 2018 |  |  |  |
Lease annual increase in rental percentage |  |  | 3.00% |  |  |  |
Advanced NeuroRehabilitation, LLC | License Agreement for Exclusive Right on Patent Pending Technology |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Issuance of common stock for license agreement |  | 3,207,005 |  |  |  |  |
Percentage of royalty on net revenue |  | 4.00% |  |  |  |  |
A&B Company Limited | Asset Purchase Agreement |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Contract penalty payable on failure to obtain FDA clearance |  |  |  |  |  |  | $ 2,000,000
Altair LLC |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Percentage of royalty on sales |  |  |  |  | 7.00% |  |
Key Tronic Corporation | Manufacturing and Supply Agreement |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Agreement description |  |  |  |  |  | On December 29, 2017, NHC, a wholly owned subsidiary of the Company entered into a Manufacturing and Supply Agreement (“MSA”) with Key Tronic Corporation (“Key Tronic”), for the manufacture and supply of the Company’s PoNS device based upon the Company’s product specifications as set forth in the MSA. Per the agreement, the Company shall provide to Key Tronic a rolling forecast for the procurement of parts and material and within normal lead times based on estimated delivery dates for the manufacture of the PoNS device. The term of the agreement will be for three-years and will automatically renew for additional consecutive terms of one year, unless cancelled by either party upon 180-day written notice to the other party prior to the end of the then current term. As of March 31, 2018, no initial forecast had been provided to Key Tronic by the Company. |
Agreement term | 3 years |  |  |  |  |  |
Agreement auto renewal period | 1 year |  |  |  |  |  |
Notice period to cancel the renewal of agreement | 180 days |  |  |  |  |  |

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