Sonnet BioTherapeutics, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt and Notes Payable - Summary of Long-Term Debt and Notes Payable (Details) (Parenthetical)

Long-Term Debt and Notes Payable - Summary of Long-Term Debt and Notes Payable (Details) (Parenthetical) - USD ($)			1 Months Ended		9 Months Ended
	May 04, 2017	May 04, 2017	Mar. 31, 2017	Feb. 28, 2017	Sep. 30, 2017	Sep. 30, 2016	May 31, 2017	Apr. 30, 2017	Dec. 31, 2016
Convertible secured debentures principal balance							$ 187,798	$ 475,000
Proceeds from long term debt					$ 6,594,535	$ 125,000
Long term debt					5,913,375				$ 6,459,094
Debt discount amortized value					501,126	$ 925,806
Mortgage Note [Member]
Proceeds from sale of property					6,000,000
USD [Member] \| Mortgage Note [Member]
Proceeds from sale of property					470,000
Lender [Member]
Convertible secured debentures principal balance					$ 3,000,000
Note payable maturity date					Dec. 31, 2018
Proceeds from long term debt			$ 150,000	$ 330,000
Total remit amount			$ 205,500	412,500
Lender [Member] \| 210 days [Member]
Debt periodic payment				1,965
Lender [Member] \| 240 days [Member]
Debt periodic payment					$ 856
Florida Mezzanine [Member]
Payment for exchange					$ 5,000,000
Agreement description					Company from all claims and outstanding obligations pursuant to that certain Assumption Agreement dated June 30, 2014, as amended October 15, 2014 and October 22, 2016, and that certain Agreement dated May 23, 2016, as amended January 30, 2017, in exchange for payment of $5,000,000.
Proceeds from long term debt					$ 500,000
Long term debt					206,746
Note Payable					5,000,000
Proceeds from restricted cash					250,861
Gain on extinguishment of debt					267,512
Additional paid in capital warrant issued					1,700,000
Debt origination costs					300,000
Debt discount amortized value					2,000,000
Florida Mezzanine [Member] \| Loan [Member]
Long term debt					6,000,000
Paragon Bank [Member]
Convertible secured debentures principal balance					637,270
Debt periodic payment					24,438
Paragon Bank [Member] \| Note One [Member]
Convertible secured debentures principal balance					$ 49,089
Debt instruments bears interest rate					5.50%
Note payable maturity date					Sep. 10, 2018
Debt periodic payment					$ 4,406
Paragon Bank [Member] \| Note Two [Member]
Convertible secured debentures principal balance					$ 231,573
Debt instruments bears interest rate					5.25%
Note payable maturity date					May 10, 2019
Debt periodic payment					$ 11,532
Paragon Bank [Member] \| Note Three [Member]
Convertible secured debentures principal balance					$ 356,608
Debt instruments bears interest rate					5.25%
Note payable maturity date					Aug. 10, 2021
Debt periodic payment					$ 8,500
Paragon Bank [Member] \| Loan [Member]
Note Payable					$ 75,000
Number of restricted stock shares issued					800
October 2017 [Member] \| Daily Payment [Member]
Debt periodic payment				$ 1,200
Securities Purchase Agreement [Member]
Convertible secured debentures principal balance	$ 6,000,000	$ 6,000,000
Number of warrant to purchase shares of common stock	1,200,000	1,200,000
Debt instruments bears interest rate	8.00%	8.00%
Securities Purchase Agreement [Member] \| November 4, 2017 [Member]
Number of warrant to purchase shares of common stock					800,000
Securities Purchase Agreement [Member] \| Warrants [Member]
Reverse stock split	one-for-ten reverse stock split
Note payable maturity date	Dec. 31, 2018
Sale of assets trigger percentage	33.00%
Beneficial ownership limit, percentage	4.99%
Securities Purchase Agreement [Member] \| Warrants One [Member]
Number of warrant to purchase shares of common stock	400,000	400,000
Aggregate purchase price	$ 6,500,000	$ 6,500,000
Warrant exercise price per share	$ 3.50	$ 3.50
Beneficial ownership limit, percentage		19.99%
Non-Binding Agreement [Member]
Asset impairment loss					$ 738,000