Accumulated Other Comprehensive Loss (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income, beginning balance	$ (1,893,260)	$ (1,895,102)
Other comprehensive income (loss)
Other comprehensive income (loss) before reclassifications	(93,851)	2,087
Amounts reclassified from accumulated other comprehensive income (loss)	(850)	(245)
Total other comprehensive income (loss)	(94,701)	1,842
Accumulated other comprehensive (loss) income, ending balance	(1,987,961)	(1,893,260)
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income, beginning balance	(1,926,826)	(1,921,905)
Other comprehensive income (loss)
Other comprehensive income (loss) before reclassifications	(68,854)	(4,921)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0
Total other comprehensive income (loss)	(68,854)	(4,921)
Accumulated other comprehensive (loss) income, ending balance	(1,995,680)	(1,926,826)
Net Minimum Pension Liability
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income, beginning balance	33,566	26,803
Other comprehensive income (loss)
Other comprehensive income (loss) before reclassifications	(24,997)	7,008
Amounts reclassified from accumulated other comprehensive income (loss)	(850)	(245)
Total other comprehensive income (loss)	(25,847)	6,763
Accumulated other comprehensive (loss) income, ending balance	$ 7,719	$ 33,566