Supplemental Financial Data

12 Months Ended

Dec. 31, 2017

Supplemental Income Statement Elements [Abstract]

Supplemental Financial Data

14. SUPPLEMENTAL FINANCIAL DATA

Components of other income and other operating expense in excess of one percent of gross revenue for the respective periods are as follows:

	Years Ended December 31
	2017		2016		2015
Income:
Bank card interchange fees	$	600,619	$	506,506	$	487,933
Expense:
Other professional fees	$	317,147	$	202,267	$	230,920
Director & board committee fees	$	278,821	$	328,919	$	336,458
FDIC insurance assessment	$	247,963	$	201,605	$	240,223
Administrative expense – employee benefit plans	$	207,602	$	231,311	$	224,021