Other Expenses, Net (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Other Income and Expenses [Abstract]
Interest expense	$ 111,990	$ 106,268	$ 226,031	$ 202,284
Interest income	(47,099)	(3,209)	(49,414)	(7,033)
Other gains		75
Other expenses, net	$ 64,891	$ 103,134	$ 176,617	$ 195,251