Gain on Equity Investment - Additional Information (Details) - USD ($)		12 Months Ended
	Nov. 30, 2019	Dec. 31, 2022	Dec. 31, 2021	Oct. 01, 2021	Sep. 14, 2021	Dec. 31, 2020
Schedule Of Equity Method Investments [Line Items]
Contribution to fund purchase of private warrants	$ 3,350,000
Proceeds from subscription of investment	$ 2,725,000
Common stock, shares outstanding (in shares)		5,352,937	5,308,973
Common Stock [Member]
Schedule Of Equity Method Investments [Line Items]
Common stock, shares outstanding (in shares)		5,349,187	5,308,973			5,272,204
IronNet [Member]
Schedule Of Equity Method Investments [Line Items]
Common stock, shares outstanding (in shares)					1,572,529
Class Of Warrant Or Right Exercised				2,065,000
IronNet [Member] | Common Stock [Member]
Schedule Of Equity Method Investments [Line Items]
Common stock, shares outstanding (in shares)		198,750		2,843,935
Common Shares Received Upon Exercise Of Warrants				1,271,406
Shares disposed		2,645,185
Common stock, shares, value		$ 46,000
IronNet [Member] | Private Warrants [Member]
Schedule Of Equity Method Investments [Line Items]
Warrant					2,065,000
Gain on equity investment			$ 59,453,000