XML 32 R23.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Note D - Marketable Equity Securities (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2022
Notes Tables |
Marketable Securities [Table Text Block] |
|  | September 30, 2022 |  |  | December 31, 2021 |
|  | (in thousands) |
Fair market value |  | $ | 36,002 |  |  | $ | 39,424 |
Cost |  |  | 30,092 |  |  |  | 29,385 |
Unrealized gain |  | $ | 5,910 |  |  | $ | 10,039 |
Unrealized Gain (Loss) on Investments [Table Text Block] |
|  | September 30, 2022 |  |  | December 31, 2021 |
|  | (in thousands) |
Gross unrealized gains |  | $ | 9,278 |  |  | $ | 12,458 |
Gross unrealized losses |  |  | 3,368 |  |  |  | 2,419 |
Net unrealized gain |  | $ | 5,910 |  |  | $ | 10,039 |
Schedule of Realized Gain (Loss) [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
|  | (in thousands) |
Sales proceeds |  | $ | - |  |  | $ | 72 |  |  | $ | - |  |  | $ | 1,496 |
Cost of securities sold |  |  | - |  |  |  | 19 |  |  |  | - |  |  |  | 560 |
Realized gain |  | $ | - |  |  | $ | 53 |  |  | $ | - |  |  | $ | 936 |

X
- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
Name: | us-gaap_MarketableSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27357-111563 + Details
Name: | us-gaap_ScheduleOfRealizedGainLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of unrealized gains and losses on investments. + References No definition available. + Details
Name: | us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration