Organization and Summary of Changes in Significant Accounting Policies - Additional Information (Details) $ in Thousands					1 Months Ended		3 Months Ended	4 Months Ended	6 Months Ended	9 Months Ended
	Dec. 30, 2022 USD ($)	Dec. 16, 2022 USD ($)	Sep. 15, 2022 USD ($)	Aug. 26, 2021	Dec. 31, 2022 USD ($)	Nov. 30, 2022 USD ($)	Oct. 31, 2022 USD ($)	Apr. 20, 2023 USD ($)	Jul. 31, 2022 Segment	Oct. 31, 2022 USD ($) shares	Oct. 31, 2021 USD ($)	Apr. 13, 2023 USD ($)	Feb. 27, 2023 USD ($)	Feb. 08, 2023 USD ($)	Jan. 12, 2023 USD ($)	Jan. 11, 2023 USD ($)	Sep. 14, 2022 USD ($)	Feb. 01, 2022 USD ($)	Jan. 31, 2022 USD ($)	Jan. 31, 2021 USD ($)
Organization And Summary Of Significant Accounting Policies [Line Items]
Number Of Operating Segments | Segment									1
Operating Lease, Right-of-Use Asset							$ 1,988			$ 1,988								$ 2,685
Operating lease liability							2,795			2,795								974
Operating lease liabilities - long term							2,202			2,202								2,654
Cash and cash equivalents							8,228			8,228	$ 73,891								$ 47,673	$ 31,543
Collectible receivables							4,290			4,290
Accounts payable and accrued expenses							17,130			17,130
Accounts payable and accrued liabilities current due to taxing authorities							7,261			7,261
Convertible Debt							10,300			10,300
Pre-tax charges							11,043			11,043
Restructuring charges										655
Non-cash stock based compensation expense							10,388			$ 33,075	$ 129,983
Vesting of restricted stock units | shares										10,873
Accumulated deficit							(511,279)			$ (511,279)								20,000	$ (417,686)
Finance lease, right of use asset							114			114								182
Lease liability, current portion							$ 95			95								$ 187
Percentage of reduction in workforce							28.00%
Subsequent Event [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Promissory notes issued	$ 2,000	$ 6,900						$ 7,200
Subsequent Event [Member] | C5 Capital Limited
Organization And Summary Of Significant Accounting Policies [Line Items]
Ownership Percentage by beneficial owners												5.00%	5.00%	5.00%	5.00%	5.00%
Secured Debt												$ 11,845	$ 11,845	$ 11,845	$ 11,845	$ 11,845
Common Stock Purchase Agreement [Member] | Tumim Stone Capital, LLC [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Purchase commitment of common stock shares					$ 586	$ 586
Securities Purchase Agreement [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Convertible Debt			$ 10,300														$ 25,750
Additional borrowings of convertible promissory note			10,300
Net of discount for cash proceeds			$ 10,000
Securities Purchase Agreement [Member] | 3i LP [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Additional borrowings of convertible promissory note										$ 15,450
IronNet Cybersecurity Inc [Member] | Business Combination Agreement [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Common stock diluted exchange ratio				0.8141070