Shareholders' Equity - May 2022 Private Placement Securities Purchase Agreement (Details) $ / shares in Units, $ in Thousands						3 Months Ended	9 Months Ended
	Jul. 22, 2022 USD ($) shares	May 16, 2022 USD ($) shares	May 11, 2022 $ / shares shares	Jun. 09, 2021 $ / shares shares	Feb. 18, 2021 $ / shares shares	Oct. 29, 2022 USD ($) $ / shares shares	Oct. 29, 2022 USD ($) $ / shares shares	Jan. 29, 2022 $ / shares shares	Oct. 30, 2021 $ / shares
Securities Purchase Agreements [Line Items]
Common Stock, Par or Stated Value Per Share | $ / shares						$ 0.01	$ 0.01	$ 0.01
Common stock issued, Shares				4,830,918	3,289,000
Warrants outstanding						9,161,214	9,161,214
Change in fair value of contract liability, net | $							$ 1,937
Price per share of common stock | $ / shares				$ 9.00	$ 7.00
Warrant exercise price per share | $ / shares						$ 0.001	$ 0.001		$ 0.001
Common stock, shares authorized			49,600,000			49,600,000	49,600,000	29,600,000
Pre Funded Warrants
Securities Purchase Agreements [Line Items]
Warrants outstanding						3,763,022	3,763,022
Registered Direct Offering
Securities Purchase Agreements [Line Items]
Common stock issued, Shares			4,136,001
Price per share of common stock | $ / shares			$ 3.07
Period to receive approval from shareholder			5 years
Warrant term			6 years
Registered Direct Offering | Pre Funded Warrants
Securities Purchase Agreements [Line Items]
Common stock issued, Shares			3,763,022
Price per share of common stock | $ / shares			$ 3.0699
Warrant exercise price per share | $ / shares			$ 0.0001
Registered Direct Offering | Common Warrants
Securities Purchase Agreements [Line Items]
Common stock issued, Shares			7,899,023
Warrant exercise price per share | $ / shares			$ 2.94
Over-Allotment Option
Securities Purchase Agreements [Line Items]
Common stock issued, Shares					429,000
May 2022 Private Placement
Securities Purchase Agreements [Line Items]
Common stock issued, Shares	1,123,102
Gross proceeds from private placement securities issuance | $	$ 4,998
Issuance costs | $						$ 1,237	$ 1,237
Number of common warrants classified as equity			2,852,780
Change in fair value of contract liability, net | $						$ 1,937	$ 1,937
May 2022 Private Placement | Average Yield
Securities Purchase Agreements [Line Items]
Average yield						5	5
May 2022 Private Placement | Average Yield | Maximum
Securities Purchase Agreements [Line Items]
Average yield						6	6
May 2022 Private Placement | Pre Funded Warrants
Securities Purchase Agreements [Line Items]
Number of warrants issued	505,563
Warrants outstanding		2,684,679
May 2022 Private Placement | Common Warrants
Securities Purchase Agreements [Line Items]
Number of warrants issued	1,628,665
Warrants outstanding		5,942,138
Craig-Hallum Capital Group LLC | Registered Direct Offering
Securities Purchase Agreements [Line Items]
Common stock issued, Shares			97,720
Number of shares called for each warrant			97,720
Single investor | May 2022 Private Placement
Securities Purchase Agreements [Line Items]
Common stock issued, Shares		2,280,000
Gross proceeds from private placement securities issuance | $		$ 15,763
Issuance costs | $		$ 1,237
Single investor | May 2022 Private Placement | Pre Funded Warrants
Securities Purchase Agreements [Line Items]
Number of warrants issued		3,257,459
Single investor | May 2022 Private Placement | Common Warrants
Securities Purchase Agreements [Line Items]
Number of warrants issued		5,537,459