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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 6 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Operating activities          
Net loss $ (3,564,714) $ (2,982,132) $ (5,132,914) $ (3,433,068) $ (5,058,426)
Adjustments to reconcile net loss to net cash used in operating activities:          
Amortization 10,622 9,217 16,291 13,368 17,633
Stock-based compensation/services expense 189,197 254,437 486,120 76,794 76,794
Forgiveness of subscription     9,051 9,050
Non-cash interest on convertible promissory notes 51,333 93,623 152,045 76,359 115,867
Non-cash discount amortization on convertible and short-term promissory notes 233,224 437,524 611,020 943,427 1,242,031
Note issuance costs attributed to warrant liability and to convertible promissory note modification     38,119 38,119
Revaluation of premium conversion derivatives 111,195 (104,143) (371,831) 90,212 (17,962)
Revaluation of warrant liability 18,568 146,730 35,235 (12,707) 258,015
Loss on note extinguishments, net 553,447 537,134 1,314,487 350,914
Change in assets and liabilities:          
Prepaid expenses and other assets (74,574) 1,768 46,677 46,677
Accounts payable and accrued expenses (104,578) 417,937 221,235
Accrued expenses     437,337 642,099 813,215
Net cash used in operating activities (2,576,280) (1,189,673) (2,229,207) (1,509,669) (2,108,073)
Investing activities          
Purchase of intangible assets (65,000) (91,709) (55,000) (91,709)
Net cash used in investing activities (65,000) (91,709) (55,000) (91,709)
Financing activities          
Proceeds from issuance of convertible promissory notes and short-term notes 564,565 432,849 675,705 1,004,134
Proceeds from issuance of warrants associated with convertible promissory notes 575,435 442,151 440,919 777,490
Proceeds from issuance of warrants associated with short-term notes     61,496 61,496
Proceeds from issuance of common stock in connection with private placement 3,768,032 824,894
Proceeds from issuance of warrants in connection with private placement 1,416,915 288,106
Proceeds (repayment) from unsecured loans     283,000 (50,000) (50,000)
Issuance costs related to short-term note     (3,030) (3,030)
Issuance costs related to convertible promissory notes (9,779) (35,689) (45,468)
Issuance costs related to warrants (8,670) (31,920) (40,590)
Issuance costs in connection with private placement (617,134)      
Exercise of warrants 416,333      
Exercise of stock-options 3,273      
Proceeds from unsecured loans 245,000 115,000      
Repayment of unsecured loans (299,000)      
Net cash provided by financing activities 4,933,419 1,236,551 2,271,000 1,057,481 1,704,032
Net increase (decrease) in cash 2,292,139 (44,831) (13,207) (452,188) (495,750)
Cash at beginning of period 13,260 70,029 26,467 522,217 522,217
Cash at end of period 2,305,399 25,198 13,260 70,029 26,467
Supplemental non-cash financing and investing transactions:          
Conversion of convertible promissory notes to equity 1,678,361      
Exercise of premium conversion derivative liability 419,590      
Reclassification of warrant liability to equity 835,723      
Bifurcation of premium conversion derivatives related to convertible promissory notes 219,825 168,384 213,961 342,486
Issuance of warrants in connection with convertible notes 117,280      
Stock value adjustment associated with intellectual license agreement 299      
Change in accounts payable and accrued expenses attributed to private placement and convertible note issuance costs 230,959 14,226      
Conversion of short-term notes and convertible promissory notes into common stock     2,063,361
Issuance of additional warrants in connection with short-term notes and convertible promissory notes modifications     829,378 117,280
Purchased intangible assets in accrued liabilities/expenses $ 30,000 30,000
Common stock issued for the purchase of intangible assets     23,115 23,415
Accrued issuance costs related to private placement     173,067
Accrued issuance costs attributed to short-term promissory notes and convertible promissory notes     2,850 42,811 57,037
Accrued issuance costs attributed to warrant liability     $ 38,119 $ 38,119