Consolidated Statements of Comprehensive Loss - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (1,751,954)	$ (906,714)
Other comprehensive income, net of applicable taxes:
Foreign currency translation	(4,921)	59,035
Net minimum pension liability	6,763	4,706
Total comprehensive income, net of applicable taxes	1,842	63,741
Total comprehensive loss	(1,750,112)	(842,973)
Less: Accrual of Series A redeemable convertible preferred stock dividends	1,157,762	1,035,977
Less: Accretion to redemption value of Series A redeemable convertible preferred stock	389,811	254,212
Less: Deemed dividend on Series A redeemable convertible preferred stock	0	2,269,042
Total comprehensive loss attributable to common stockholders	$ (3,297,685)	$ (4,402,204)