Accumulated Other Comprehensive Loss (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income, beginning balance	$ (12,965,983)
Total other comprehensive income (loss)	33,510	$ 86,398
Accumulated other comprehensive (loss) income, ending balance	(14,349,431)
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income, beginning balance	(1,881,005)	(1,995,680)
Other comprehensive income (loss) before reclassifications	33,510	86,398
Total other comprehensive income (loss)	33,510	86,398
Accumulated other comprehensive (loss) income, ending balance	(1,847,495)	(1,909,282)
Net Minimum Pension Liability
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income, beginning balance	20,965	7,719
Other comprehensive income (loss) before reclassifications	0	0
Total other comprehensive income (loss)	0	0
Accumulated other comprehensive (loss) income, ending balance	20,965	7,719
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income, beginning balance	(1,860,040)	(1,987,961)
Other comprehensive income (loss) before reclassifications	33,510	86,398
Total other comprehensive income (loss)	33,510	86,398
Accumulated other comprehensive (loss) income, ending balance	$ (1,826,530)	$ (1,901,563)