Annual report pursuant to Section 13 and 15(d)

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

v3.20.1
Summary of Significant Accounting Policies (Components of Accumulated Other Comprehensive Loss) (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]    
BALANCE $ 41,653,127 $ 49,170,727
BALANCE 47,392,282 41,653,127
Foreign Currency Translation [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
BALANCE (764,000) (625,000)
Net current period change 55,000 (139,000)
BALANCE (709,000) (764,000)
Unrealized (loss)/gain on securities [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
BALANCE 13,000 12,000
Net current period change (2,000) 1,000
BALANCE 11,000 13,000
Accumulated Other Comprehensive Income (Loss) [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
BALANCE (751,293) (613,379)
Net current period change 53,000 (138,000)
BALANCE $ (697,664) $ (751,293)