Equity Investment in Unconsolidated Subsidiary - Additional Information (Details) - USD ($)		9 Months Ended
	Nov. 30, 2019	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Oct. 01, 2021	Sep. 30, 2021	Sep. 14, 2021	Jun. 30, 2021	Mar. 31, 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)		5,349,187			5,308,973
Common Stock [Member]
Schedule Of Equity Method Investments [Line Items]
Common stock, shares outstanding (in shares)		5,349,187	5,334,187	5,323,973	5,308,973		5,280,204		5,272,204	5,272,204	5,272,204
IronNet [Member]
Schedule Of Equity Method Investments [Line Items]
Common stock, shares outstanding (in shares)								1,572,529
Warrant								2,065,000
Warrants exercised						2,065,000
IronNet [Member] | Common Stock [Member]
Schedule Of Equity Method Investments [Line Items]
Common stock, shares outstanding (in shares)		1,288,620				2,843,935
Common shares received upon exercise of warrants						1,271,406
Shares disposed		1,555,315
Received related proceeds of common stock		$ 20,200,000
Common stock, shares, value		$ 887,859