Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Components of Accumulated Other Comprehensive Loss) (Details)

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Summary of Significant Accounting Policies (Components of Accumulated Other Comprehensive Loss) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]    
BALANCE $ 47,494,727 $ 47,392,282
BALANCE 17,017,511 47,494,727
Foreign Currency Translation [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
BALANCE (700,000) (709,000)
Net current period change 700,000 9,000
BALANCE (700,000)
Unrealized Gain (Loss) On Securities [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
BALANCE 21,000 11,000
Net current period change (19,000) 10,000
BALANCE 2,000 21,000
Accumulated Other Comprehensive Income (Loss) [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
BALANCE (678,767) (697,664)
Net current period change 681,000 19,000
BALANCE $ 2,283 $ (678,767)