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Summary of Significant Accounting Policies (Details - Stock purchases) - Common Stock [Member] - $ / shares	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Equity, Class of Treasury Stock [Line Items]
Total stock purchases, shares	721,577	1,217,451
Total stock purchases, average price per share	$ 10.11	$ 11.55
Open Market Purchases [Member]
Equity, Class of Treasury Stock [Line Items]
Total stock purchases, shares	263,185	922,363
Total stock purchases, average price per share	$ 10.42	$ 11.19
Shares Redeemed [Member]
Equity, Class of Treasury Stock [Line Items]
Total stock purchases, shares	458,392	295,088
Total stock purchases, average price per share	$ 9.93	$ 12.68

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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