JanOne Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Common Stock (Details)

Stockholders' Equity - Common Stock (Details)													3 Months Ended					9 Months Ended
Stockholders' Equity - Common Stock (Details)	Jun. 06, 2024 shares	Jun. 03, 2024 shares	May 15, 2024 shares	May 01, 2024 USD ($) investor $ / shares shares	Apr. 12, 2024 USD ($) shares	Apr. 10, 2024 USD ($) shares	Mar. 25, 2024 USD ($) shares	Mar. 22, 2024 USD ($) shares	Mar. 04, 2024 $ / shares shares	Feb. 23, 2024 USD ($) investor $ / shares shares	Oct. 09, 2023 USD ($) $ / shares shares	Aug. 18, 2023 $ / shares shares	Sep. 28, 2024 USD ($) $ / shares shares	Jun. 29, 2024 USD ($)	Mar. 30, 2024 USD ($) shares	Sep. 30, 2023 USD ($) shares	Apr. 01, 2023 USD ($)	Sep. 28, 2024 $ / shares shares	May 09, 2024 $ / shares	Dec. 30, 2023 $ / shares shares
Shareholders Equity [Line Items]
Common stock, shares authorized (in shares)													200,000,000					200,000,000		200,000,000
Common stock issued for consulting agreement (in shares)													0			0
Common Stock, par value (in usd per share) \| $ / shares													$ 0.001					$ 0.001		$ 0.001
Common stock, issued shares (in shares)													14,019,015					14,019,015		4,957,647
Common stock, outstanding shares (in shares)													14,019,015					14,019,015		4,957,647
Common stock issued for equity financing \| $														$ 342,000	$ 627,000	$ 424,000	$ 369,000
Alt 5 Sigma, Inc.
Shareholders Equity [Line Items]
Share price (in usd per share) \| $ / shares																			$ 4.14
Company tendered (in shares)			1,799,100
Isaac Capital Group Promissory Note \| Related Party \| Isaac Capital Group Promissory Note \| Promissory Note
Shareholders Equity [Line Items]
Debt conversion, converted amount \| $					$ 60,900	$ 60,900	$ 183,000	$ 183,000
North York LTD \| Related Party
Shareholders Equity [Line Items]
Sale of stock, number of shares issued in transaction (in shares)									125,000
Warrant exercise price (in usd per share) \| $ / shares									$ 1.25
Warrants and rights outstanding, term (in years)									3 years
North York LTD \| Related Party \| Series V Convertible Preferred Stock
Shareholders Equity [Line Items]
Sale of stock, number of shares issued in transaction (in shares)									5,000
Isaac Consulting Agreement \| Related Party
Shareholders Equity [Line Items]
Common stock issued for consulting agreement (in shares)	150,000
Term of consulting agreement (in years)	1 year	6 months
Restricted shares issued (in shares)		47,923
Isaac Consulting Agreement \| Related Party \| Mr. Jon Isaac
Shareholders Equity [Line Items]
Term of consulting agreement (in years)									2 years
Restricted shares issued (in shares)									200,000									232,000
2023 Plan \| Related Party
Shareholders Equity [Line Items]
Common stock issued for consulting agreement (in shares)													295,000					295,000
Common stock issued (in shares)													295,000
Common stock issued for equity financing \| $													$ 1,200,000
Restricted Stock Units (RSUs) \| North York LTD \| Related Party \| Common Stock
Shareholders Equity [Line Items]
Sale of stock, number of shares issued in transaction (in shares)									300,000
Restricted Stock Units (RSUs) \| 2023 Plan
Shareholders Equity [Line Items]
Common stock issued for consulting agreement (in shares)																		908,852
Common stock issued for RSU's granted (in shares)											908,852				908,852
Common stock issued for RSU's granted \| $											$ 345,000
Share price (in usd per share) \| $ / shares											$ 0.3796
Placement Agency Agreement
Shareholders Equity [Line Items]
Common stock issued for consulting agreement (in shares)															27,738
Sale of stock, number of shares issued in transaction (in shares)												418,000
Common Stock, par value (in usd per share) \| $ / shares												$ 0.001
Sale of stock, price (in usd per share) \| $ / shares												$ 0.8811
Placement Agency Agreement \| Pre-Funded Warrants
Shareholders Equity [Line Items]
Class of warrant or right, number of securities called by warrants or rights (in shares)												481,348
Warrant exercise price (in usd per share) \| $ / shares												$ 0.8801
Equity Unit Purchase Agreements \| Related Party
Shareholders Equity [Line Items]
Sale of stock, number of shares issued in transaction (in shares)				79,782						408,163
Equity Unit Purchase Agreements \| Isaac Capital Group Promissory Note \| Related Party
Shareholders Equity [Line Items]
Sale of stock, price (in usd per share) \| $ / shares				$ 3.775						$ 0.7350
Warrant exercise price (in usd per share) \| $ / shares				$ 3.63						$ 0.61
Unaffiliated third-part investors \| investor				2						2
Aggregate purchase price \| $										$ 300,000
Sale of stock, aggregate price \| $				$ 300,000						$ 600,000
Number of common shares in each unit (in shares)				1						1
Number of warrants in each unit (in shares)				1						1
Class of warrant price per share (in usd per share) \| $ / shares										$ 0.125
Warrants and rights outstanding, term (in years)				3 years						3 years
Equity Unit Purchase Agreements \| Isaac Capital Group Promissory Note \| Related Party \| Isaac Capital Group Promissory Note \| Promissory Note
Shareholders Equity [Line Items]
Debt conversion, converted (in shares)					100,000	100,000	300,000	300,000
Third-Party Exchange For Brokerage Services \| Related Party
Shareholders Equity [Line Items]
Sale of stock, number of shares issued in transaction (in shares)										81,632
Articles of Incorporation
Shareholders Equity [Line Items]
Common stock, shares authorized (in shares)													200,000,000					200,000,000