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Shareholders' Equity (Details - Stock purchases) - Common Stock [Member] - $ / shares | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Share Repurchase Program [Line Items] |  |
Total stock purchases, shares | 1,469,658 | 1,976,356
Total stock purchases, average price per share | $ 8.73 | $ 10.26
Open Market Purchases [Member] |  |
Share Repurchase Program [Line Items] |  |
Total stock purchases, shares | 473,202 | 670,968
Total stock purchases, average price per share | $ 8.67 | $ 10.20
Shares Redeemed [Member] |  |
Share Repurchase Program [Line Items] |  |
Total stock purchases, shares | 876,456 | 1,305,388
Total stock purchases, average price per share | $ 8.66 | $ 10.29
Other Share Repurchases [Member] |  |
Share Repurchase Program [Line Items] |  |
Total stock purchases, shares | 120,000 | 0
Total stock purchases, average price per share | $ 9.49 | $ 0

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- Definition Number of shares that have been repurchased and retired during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
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