Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Income (loss) before income taxes:
Domestic loss	$ 590,660	$ (10,998,240)
Foreign income	469,347	586,653
Income (loss) before income taxes	1,060,007	(10,411,587)
Provision (benefit) for income taxes:
Federal	2,640	(17,626)
State and local	(85,972)	1,886
Foreign	238,729	723,502
Total	155,397	707,762
Deferred:
Federal	(530,478)	154,641
State and local	(8,215)	1,766
Foreign	390,902	(276,962)
Total	(147,791)	(120,555)
Total provision (benefit) for income taxes	$ 7,606	$ 587,207