Subsequent Events	3 Months Ended
Mar. 31, 2022
Subsequent Events [Abstract]
Subsequent Events	P. Subsequent Events As previously discussed, the Company holds certain shares of IRNT common stock received in connection with the IronNet Business Combination. IronNet filed a registration statement with the SEC effective September 23, 2021 to register these and other IRNT securities. IronNet filed its Annual Report on Form 10-K with the SEC on May 2, 2022 and is required to file a post-effective amendment to the aforementioned registration statement. On May 3, 2022, IronNet notified the Company that effective immediately, the Company’s will be unable to sell its related IRNT common stock holdings pursuant to the registration statement until notified by IronNet. The Company expects the restrictions will be lifted upon the SEC’s declaration of the effectiveness of the amended registration statement. On May 5, 2022, the Company sold its put options held at March 31, 2022 covering 250,000 shares of IRNT common stock for $1,263,000.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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