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Consolidated Statements of Cash Flows - USD ($)
 3 Months Ended 10 Months Ended 12 Months Ended
Dec. 31, 2016
Oct. 26, 2016
Dec. 31, 2017
NeuroOne LLC      
Operating activities      
Net loss   $ (18,604)  
Adjustments to reconcile net loss to net cash used in operating activities:      
Amortization   6,471  
Stock-based compensation    
Forgiveness of subscription    
Non-cash interest on convertible promissory notes    
Non-cash discount amortization on convertible and short-term promissory notes    
Note issuance costs attributed to warrant liability and to convertible promissory note modification    
Revaluation of premium conversion derivative    
Revaluation of warrant liability    
Loss on convertible notes and short-term notes extinguishment    
Change in assets and liabilities:      
Prepaid expenses    
Accounts payable   186  
Accrued expenses   11,947  
Net cash used in operating activities    
Investing activities      
Purchase of intangible assets    
Net cash used in investing activities    
Financing activities      
Proceeds from issuance of convertible promissory notes and short-term notes    
Proceeds from issuance of warrants associated with convertible promissory notes    
Proceeds from issuance of warrants associated with short-term notes    
(Repayment) proceeds from short term unsecured loan    
Issuance costs related to short-term note    
Issuance costs related to convertible promissory notes    
Issuance costs related to warrants    
Net cash provided by financing activities    
Net (decrease) increase in cash    
Cash at beginning of period    
Cash at end of period    
Supplemental non-cash financing and investing transactions:      
Bifurcation of premium conversion derivative related to convertible promissory notes    
Issuance of additional warrants in connection with short-term notes modification    
Issuance of common stock for intangible assets    
Purchased intangible assets in accrued liabilities    
Common stock issued for the purchase of intangible assets    
Accrued issuance costs attributed to convertible promissory notes    
Accrued issuance costs attributed to warrant liability    
Successor      
Operating activities      
Net loss $ (266,370)   $ (5,058,426)
Adjustments to reconcile net loss to net cash used in operating activities:      
Amortization 1,269   17,633
Stock-based compensation   76,794
Forgiveness of subscription   9,050
Non-cash interest on convertible promissory notes 4,356   115,867
Non-cash discount amortization on convertible and short-term promissory notes 41,514   1,242,031
Note issuance costs attributed to warrant liability and to convertible promissory note modification 36,546   38,119
Revaluation of premium conversion derivative 86   (17,962)
Revaluation of warrant liability 320   258,015
Loss on convertible notes and short-term notes extinguishment   350,914
Change in assets and liabilities:      
Prepaid expenses (53,823)   46,677
Accounts payable  
Accrued expenses 60,319   813,215
Net cash used in operating activities (175,783)   (2,108,073)
Investing activities      
Purchase of intangible assets   (91,709)
Net cash used in investing activities   (91,709)
Financing activities      
Proceeds from issuance of convertible promissory notes and short-term notes 354,360   1,004,134
Proceeds from issuance of warrants associated with convertible promissory notes 345,640   777,490
Proceeds from issuance of warrants associated with short-term notes   61,496
(Repayment) proceeds from short term unsecured loan 50,000   (50,000)
Issuance costs related to short-term note   (3,030)
Issuance costs related to convertible promissory notes (26,306)   (45,468)
Issuance costs related to warrants (25,694)   (40,590)
Net cash provided by financing activities 698,000   1,704,032
Net (decrease) increase in cash 522,217   (495,750)
Cash at beginning of period   522,217
Cash at end of period 522,217   26,467
Supplemental non-cash financing and investing transactions:      
Bifurcation of premium conversion derivative related to convertible promissory notes 137,564   342,486
Issuance of additional warrants in connection with short-term notes modification   117,280
Issuance of common stock for intangible assets 150  
Purchased intangible assets in accrued liabilities 182,009   30,000
Common stock issued for the purchase of intangible assets   23,415
Accrued issuance costs attributed to convertible promissory notes 11,163   57,037
Accrued issuance costs attributed to warrant liability $ 10,852   $ 38,119