XML 42 R32.htm IDEA: XBRL DOCUMENT v3.21.2
(1) Summary of Significant Accounting Policies (Details - Stock purchases) - Common Stock [Member] - $ / shares
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
StockPurchasesLineItems [Line Items]    
Total stock purchases, shares 358,071 72,022
Total stock purchases, average price per share $ 4.42 $ 2.85
Open Market Purchases[Member]    
StockPurchasesLineItems [Line Items]    
Total stock purchases, shares 301,088 25,113
Total stock purchases, average price per share $ 4.18 $ 2.85
Shares Redeemed [Member]    
StockPurchasesLineItems [Line Items]    
Total stock purchases, shares 56,983 46,909
Total stock purchases, average price per share $ 4.47 $ 2.86