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Stockholders' Equity (Deficit) (Details Textual) - USD ($) |  |  |  | 1 Months Ended | 2 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 12, 2018 | Nov. 30, 2018 | Oct. 20, 2016 | Feb. 28, 2019 | Aug. 03, 2018 | Jul. 20, 2017 | Nov. 30, 2018 | Mar. 31, 2019 | Mar. 31, 2019 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017 | Mar. 31, 2018
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock authorized |  |  |  |  |  |  |  | 100,000,000 | 100,000,000 | 100,000,000 |  | 100,000,000 |
Common stock, par value |  |  |  |  |  |  |  | $ 0.001 | $ 0.001 | $ 0.001 |  | $ 0.001 |
Common stock, shares issued |  |  |  |  |  |  |  | 12,944,514 | 12,944,514 | 9,656,505 |  | 7,864,994 |
Common stock, shares outstanding |  |  |  |  |  |  |  | 12,944,514 | 12,944,514 | 9,656,505 |  | 7,864,994 |
Preferred stock, par value |  |  |  |  |  |  |  | $ 0.001 | $ 0.001 | $ 0.001 |  | $ 0.001 |
Preferred stock, shares authorized |  |  |  |  |  |  |  | 10,000,000 | 10,000,000 | 10,000,000 |  | 10,000,000 |
Purchase agreement, description |  |  |  |  |  |  | The Company issued and sold an aggregate of 170,000 additional Units to the Purchasers, for total gross proceeds to the Company of approximately $425,000 before deducting offering expenses. |  |  |  |  |  |
Aggregrate sale of shares |  |  |  |  |  |  |  |  |  | 445,200 |  |  |
Deducting offering expenses |  |  |  |  |  |  |  |  |  | $ 1,113,000 |  |  |
Maximum shares issuable with over-allotment under private placement |  |  |  |  | 4,600,000 |  |  |  |  |  |  |  |
Risk free interest rate |  |  |  |  |  |  |  |  |  | 2.80% | 1.90% |  |
Expected stock price volatility |  |  |  |  |  |  |  |  |  | 49.80% | 47.80% |  |
Expected life of options (years) |  |  |  |  |  |  |  |  |  | 5 years | 5 years |  |
Expected dividend yield |  |  |  |  |  |  |  |  |  | 0.00% | 0.00% |  |
Acquired percentage |  |  |  |  |  | 100.00% |  |  |  |  |  |  |
Aggregate shares issued of the then-outstanding NeuroOne shares |  |  |  |  |  | 3,500,000 |  |  |  |  |  |  |
Subsidiaries [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares issued |  |  | 5,131,514 |  |  |  |  |  |  |  |  |  |
Exercise price, per share |  |  | $ 0.03 |  |  |  |  |  |  |  |  |  |
Acquired percentage |  |  |  |  |  | 100.00% |  |  |  |  |  |  |
Aggregate shares issued of the then-outstanding NeuroOne shares |  |  |  |  |  | 6,291,994 |  |  |  |  |  |  |
Net exchanges of shares |  |  |  |  |  | 1,573,000 |  |  |  |  |  |  |
Subscription receivable |  |  | $ 9,050 |  |  |  |  |  |  |  |  |  |
Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants exercisable, term |  |  |  |  | 5 years |  |  |  |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum offering of units under private placement |  |  |  |  | 4,000,000 |  |  |  |  |  |  |  |
Net exchanges of shares |  |  |  |  |  |  |  |  |  |  |  | 859,976 |
Private Placement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase agreement, description |  |  |  |  | (i) 1 share (each, a "Share") of the Company's common stock and (ii) a warrant to purchase 1 share of common stock at an initial exercise price of $3.00 per share (the "2018 Warrants"). |  |  |  |  |  |  |  |
Maximum offering of units under private placement |  |  |  |  | 4,000,000 |  |  |  |  |  |  |  |
Offering price, per share |  |  |  |  | $ 2.50 |  |  |  |  |  |  |  |
Cash commission, percentage |  |  |  |  | 10.00% |  |  |  |  |  |  |  |
Exercise price, per share |  |  |  |  | $ 3.45 |  |  |  |  |  |  |  |
Common stock purchase price, per share |  |  |  |  | 10.00% |  |  |  |  |  |  |  |
Warrants exercisable, term |  |  |  |  | 5 years |  |  |  |  |  |  |  |
Private placement transaction, description | (i) 1 share of common stock and (ii) a warrant to purchase 1 share of common stock at an initial exercise price of $3.00 per share (the "2019 Warrants"), to the New Purchasers. |  |  |  |  |  |  |  |  |  |  |  |
Broker warrants liability |  |  |  |  |  |  |  |  |  | $ 26,878 |  |  |
2018 Private Placement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase agreement, description |  | (i) 1 share (each, a “Share”) of common stock and (ii) a warrant to purchase 1 share of common stock at an initial exercise price of $3.00 per share (the “2018 Warrants”). |  |  |  |  |  |  |  |  |  |  |
Warrant issued |  |  |  |  |  |  |  | 40,416 | 40,416 |  |  |  |
Risk free interest rate |  |  |  |  |  |  |  |  | 2.90% |  |  |  |
Expected stock price volatility |  |  |  |  |  |  |  |  | 49.80% |  |  |  |
Expected life of options (years) |  |  |  |  |  |  |  |  | 4 years 7 months 6 days |  |  |  |
Expected dividend yield |  |  |  |  |  |  |  |  | 0.00% |  |  |  |
Cost of issuance |  |  |  |  |  |  |  |  |  | 173,067 |  |  |
Cash commission, percentage |  |  |  |  |  |  |  |  | 8.00% |  |  |  |
Exercise price, per share |  |  |  |  |  |  |  |  | $ 3.00 |  |  |  |
Common stock purchase price, per share |  |  |  |  |  |  |  |  | 8.00% |  |  |  |
Warrants exercisable, term |  |  |  |  |  |  |  | 5 years | 5 years |  |  |  |
Legal costs |  |  |  |  |  |  |  |  |  | $ 62,389 |  |  |
Acquired percentage |  |  |  | 10.00% |  |  |  |  |  |  |  |  |
Units sold under private placement |  |  |  |  |  |  |  | 0 | 170,000 |  |  |  |
Gross proceeds from private placement | $ 1,538,000 |  |  |  |  |  |  |  |  |  |  |  |
Fair value of warrant issued |  |  |  |  |  |  |  |  | $ 115,674 |  |  |  |
Private placement transaction, description |  |  |  | The Company and HRA agreed (i) to extend the Tail Period until June 30, 2019, (ii) to modify the HRA Fee so that HRA is entitled to receive a cash fee equal to 8% of the gross proceeds received by the Company from Prospects in all subsequent private placement transactions and (iii) to modify the HRA Warrants so that they are exercisable to purchase shares of Common Stock (or common stock equivalents) in an amount equal to 8% of the shares of Common Stock purchased by Prospects in subsequent private placements (collectively, the “HRA Amendments”). Upon issuance, the HRA Warrants will be immediately exercisable and expire five years from the closing of the related transaction. |  |  |  |  |  |  |  |  |
Shares issued under private placement | 615,200 |  |  |  |  |  |  |  |  |  |  |  |
Credit adjustment amount related to HRA commission |  |  |  |  |  |  |  | $ 24,029 | 35,665 |  |  |  |
Legal costs related to private placement issuance costs |  |  |  |  |  |  |  |  | 7,340 |  |  |  |
Brokerage commission |  |  |  |  |  |  |  |  | 17,240 |  |  |  |
Commission liability |  |  |  |  |  |  |  | $ 11,085 | $ 11,085 |  |  |  |
2018 Private Placement [Member] | Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant issued |  |  |  |  |  |  |  |  |  |  |  |  | 221,074
2019 Private Placement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase agreement, description |  |  |  |  |  |  |  |  | (i) 1 share of common stock and (ii) a warrant to purchase 1 share of common stock at an initial exercise price of $3.00 per share (the “2019 Warrants”). |  |  |  |
Risk free interest rate |  |  |  |  |  |  |  |  | 2.50% |  |  |  |
Expected stock price volatility |  |  |  |  |  |  |  |  | 50.60% |  |  |  |
Expected life of options (years) |  |  |  |  |  |  |  |  | 4 years 9 months 18 days |  |  |  |
Expected dividend yield |  |  |  |  |  |  |  |  | 0.00% |  |  |  |
Cash commission, percentage |  |  |  |  |  |  |  |  | 8.00% |  |  |  |
Exercise price, per share |  |  |  |  |  |  |  |  | $ 3.00 |  |  |  |
Common stock purchase price, per share |  |  |  |  |  |  |  |  | 10.00% |  |  |  |
Warrants exercisable, term |  |  |  |  |  |  |  | 5 years | 5 years |  |  |  |
Units sold under private placement |  |  |  |  |  |  |  | 1,743,979 | 1,903,979 |  |  |  |
Gross proceeds from private placement |  |  |  |  |  |  |  |  | $ 4,759,948 |  |  |  |
Estimated fair value of the broker warrants to be issued |  |  |  |  |  |  |  |  | $ 179,643 |  |  |  |
Broker warrants to be issued shares |  |  |  |  |  |  |  |  | 180,658 |  |  |  |
Fair value of warrant issued |  |  |  |  |  |  |  | $ 1,193,564 | $ 1,301,241 |  |  |  |
Direct offset to proceeds from the private placement |  |  |  |  |  |  |  | $ 722,806 | 812,428 |  |  |  |
Cash commissions amounting |  |  |  |  |  |  |  |  | 561,294 |  |  |  |
Commission fees related to financing |  |  |  |  |  |  |  |  | $ 71,491 |  |  |  |
2019 Private Placement [Member] | Paulson [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Cash commission, percentage |  |  |  |  |  |  |  |  | 12.00% |  |  |  |
Warrants exercisable, term |  |  |  |  |  |  |  | 5 years | 5 years |  |  |  |
Private placement transaction, description |  |  |  |  |  |  |  |  | HRA will receive a cash commission equal to 8% of the gross proceeds from the sale of the 2019 Units sold by HRA. In addition to the brokers' commission, the Company will issue 5-year warrants to HRA to purchase an amount of Common Stock equal to 8% of the total amount of Shares sold by HRA in the 2019 Private Placement at an exercise price of $3.00 per share. |  |  |  |
2019 Private Placement [Member] | Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum shares issuable under private placement |  |  |  |  |  |  |  |  | 4,000,000 |  |  |  |
Maximum potential gross proceeds from financing |  |  |  |  |  |  |  |  | $ 10,000,000 |  |  |  |
Stock unit price per unit |  |  |  |  |  |  |  | $ 2.50 | $ 2.50 |  |  |  |
2019 Private Placement [Member] | Warrant [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock unit price per unit |  |  |  |  |  |  |  | 2.75 | 2.75 |  |  |  |
2019 Private Placement [Member] | Warrant [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock unit price per unit |  |  |  |  |  |  |  | $ 3.00 | $ 3.00 |  |  |  |
Over-Allotment Option [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum offering, units |  |  |  |  | 600,000 |  |  |  |  |  |  |  |

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