CONSOLIDATED STATEMENTS OF STOCKHOLDERS' DEFICIT - USD ($)	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss, Net
Beginning balance (shares) at Dec. 31, 2020		5,949,463
Beginning balance at Dec. 31, 2020	$ (15,540,812)	$ 5,949	$ 110,107,170	$ (123,665,970)	$ (1,987,961)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(42,253)			(42,253)
Sale of common stock in public offering, net of underwriting discounts and offering costs, Shares		1,096,750
Sale of common stock in public offering, net of underwriting discounts and offering costs, Value	3,666,064	$ 1,097	3,664,967
Shares issued in connection with vesting of restricted stock (shares)		36,063
Shares issued in connection with vesting of restricted stock	0	$ 36	(36)
Share-based compensation	21,178		21,178
Accretion of Series A redeemable convertible preferred stock	(299,969)		(299,969)
Dividends on Series A redeemable convertible preferred stock	(1,143,697)		(1,143,697)
Foreign currency translation	114,675				114,675
Net minimum pension liability	13,246				13,246
Ending balance (shares) at Dec. 31, 2021		7,082,276
Ending balance at Dec. 31, 2021	(13,211,568)	$ 7,082	112,349,613	(123,708,223)	(1,860,040)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,798,955)			(1,798,955)
Shares issued in connection with vesting of restricted stock (shares)		36,333
Shares issued in connection with vesting of restricted stock	0	$ 37	(37)
Share-based compensation	38,770		38,770
Accretion of Series A redeemable convertible preferred stock	(49,573)		(49,573)
Dividends on Series A redeemable convertible preferred stock	(1,494,057)		(1,494,057)
Foreign currency translation	138,788				138,788
Net minimum pension liability	(30,847)				(30,847)
Ending balance (shares) at Dec. 31, 2022		7,118,609
Ending balance at Dec. 31, 2022	$ (16,407,442)	$ 7,119	$ 110,844,716	$ (125,507,178)	$ (1,752,099)