Table:
Years Ended December 31,	Change

2019	2018	$	%

(dollars in thousands)

Impairment of goodwill	$1,910	$14,740	$(12,830)	(87%)

Percent of revenues, net	4%	26%

In this table image, are there any merged cells? If so, describe their locations using the JSON format {'top-left':(X, Y), 'bottom-right':(Z, W)}, where (X, Y) and (Z, W) indicate the (row_id, column_id) of top-left and bottom-right cells in the merged regions, respectively. Note that the X, Y, Z, W all start from 1.

This table does not contain any merged cells.