Represents the maximum conversion price per share of convertible preferred stock.

No definition available.

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- Definition

The amount of shares purchased during period as part on an equity method investment.

+ References

No definition available.

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- Definition

This element represents the aggregate cost of investments accounted for under the equity method of accounting.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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- Definition

Number of shares of investment owned.

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- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

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- Definition

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Period Type:	duration

- Definition

Per share conversion price of preferred stock.

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

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- Definition

Amount of transactions with related party during the financial reporting period.

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Period Type:	duration

- Definition

Amount of dividends that can be declared or paid without approval of regulatory agency.

+ References

No definition available.

+ Details

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Note 3 - Investments in Related Parties (Details Textual) - USD ($)					3 Months Ended	12 Months Ended
	Jun. 29, 2020	Apr. 09, 2020	Apr. 03, 2020	Mar. 19, 2019	Jun. 29, 2020	Dec. 31, 2023	Dec. 31, 2022
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval						$ 50,000
Related Party [Member]
Investments						283,000	$ 250,000
Equity Securities, FV-NI, Gain (Loss)						81,000	0
Related Party [Member] \| Accounts Receivable [Member]
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval						27,000
Related Party Transaction, Amounts of Transaction							191,000
Related Party [Member] \| Accounts Payable [Member]
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval						$ 73,000
Related Party Transaction, Amounts of Transaction							$ 0
HC Government Realty Trust, Inc [Member]
Equity Method Investment, Ownership Percentage						27.40%	33.90%
HC Government Realty Trust, Inc [Member] \| Series B Cumulative Convertible Preferred Stock [Member]
Equity Method Investment, Shares Purchased During Period (in shares)	475,000	250,000	100,000	200,000
Preferred Stock, Dividend Rate, Percentage				10.00%
Equity Method Investment, Aggregate Cost				$ 2,000,000		$ 10,250,000
Payments to Acquire Equity Method Investments					$ 8,250,000
Investment Owned, Balance, Shares (in shares)						1,025,000
Preferred Stock, Convertible, Conversion Price (in dollars per share)						$ 10
Convertible Preferred Stock, Maximum Conversion Price (in dollars per share)						$ 9.1
HC Government Realty Trust, Inc [Member] \| Series B Cumulative Convertible Preferred Stock [Member] \| Investors Affiliated with the Hale Partnership [Member]
Equity Method Investment, Shares Purchased During Period (in shares)				850,000
Equity Method Investment, Aggregate Cost				$ 8,500,000
HC Government Realty Trust, Inc [Member] \| Common Stock of Investee [Member]
Equity Method Investment, Shares Purchased During Period (in shares)				300,000
Equity Method Investment, Aggregate Cost				$ 3,000,000
HC Government Realty Trust, Inc [Member] \| Common Stock [Member]
Investment Owned, Balance, Shares (in shares)						300,000