Quarterly report pursuant to Section 13 or 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)
3 Months Ended
Mar. 31, 2021
USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Beginning balance $ 47,494,727
Ending balance 45,721,931
Foreign Currency Translation [Member]  
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Beginning balance (700,000)
Net current period change 20,000
Ending balance (680,000)
Unrealized gain (loss) on securities [Member]  
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Beginning balance 21,000
Net current period change (9,000)
Ending balance 12,000
Accumulated Other Comprehensive Loss [Member]  
Accumulated Other Comprehensive Income (Loss) [Line Items]  
Beginning balance (678,767)
Net current period change 11,000
Ending balance $ (668,335)