Operating Leases (Tables)

12 Months Ended

Dec. 31, 2017

OPERATING LEASES

Rent Expense Recognized Under Operating Leases

	2017		2016		2015
Rent Expense Recognized Under Operating Leases	$	2,463,145	$	2,369,101	$	2,301,930

Schedule of future minimum rental payments under operating lease agreements

Year ending December 31, 2018	$	1,917,356
Year ending December 31, 2019		1,456,164
Year ending December 31, 2020		685,349
Year ending December 31, 2021		206,595
Year ending December 31, 2022		54,726
Year ending December 31, 2023 and thereafter		—
Total	$	4,320,190