Accumulated Other Comprehensive Loss (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total Stockholders' Deficit	$ (14,566,353)		$ (14,608,186)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	86,398	$ (13,153)
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total Stockholders' Deficit	(1,909,282)	(1,939,979)	(1,995,680)	$ (1,926,826)
Other comprehensive income	86,398	(13,153)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	86,398	(13,153)
Net Minimum Pension Liability
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total Stockholders' Deficit	7,719	33,566	7,719	33,566
Other comprehensive income	0	0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	0	0
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total Stockholders' Deficit	(1,901,563)	(1,906,413)	$ (1,987,961)	$ (1,893,260)
Other comprehensive income	86,398	(13,153)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	$ 86,398	$ (13,153)