Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income (loss) before income taxes:
Domestic income (loss)	$ (1,105,447)	$ 590,660
Foreign income	432,021	469,347
Income (loss) before income taxes	(673,426)	1,060,007
Provision (benefit) for income taxes:
Federal	(231,564)	2,640
State and local	(47,304)	(85,972)
Foreign	244,396	238,729
Total	(34,472)	155,397
Deferred:
Federal	208,709	(530,478)
State and local	308	(8,215)
Foreign	58,743	390,902
Total	267,760	(147,791)
Total provision (benefit) for income taxes	$ 233,288	$ 7,606