GOODWILL AND LONG-LIVED ASSETS (Tables)

3 Months Ended

Mar. 31, 2018

GOODWILL AND LONG-LIVED ASSETS [Abstract]

Changes in carrying amount of goodwill

The carrying amount of goodwill at March 31, 2018 and 2017 is as follows:

	Gross Goodwill Balance		Accumulated Impairment Losses			Net Goodwill Balance
Balance as of January 1, 2018	$	117,176	$	(102,640	)	$	14,536
Adjustments		-		-			-
Balance as of March 31, 2018	$	117,176	$	(102,640	)	$	14,536

	Gross Goodwill Balance		Accumulated Impairment Losses			Net Goodwill Balance
Balance as of January 1, 2017	$	117,176	$	(102,640	)	$	14,536
Adjustments		-		-			-
Balance as of March 31, 2017	$	117,176	$	(102,640	)	$	14,536

Summary of finite-lived intangible assets

Intangible assets, which are included in other assets in the accompanying condensed consolidated balance sheets, consist of the following:

	Curriculum
Gross carrying amount at January 1, 2018	$	160
Adjustments		-
Gross carrying amount at March 31, 2018		160
Accumulated amortization at January 1, 2018		144
Amortization		4
Accumulated amortization at March 31, 2018		148
Net carrying amount at March 31, 2018	$	12
Weighted average amortization period (years)		10

Summary of estimated future amortization expense

The following table summarizes the estimated future amortization expense:

Year Ending December 31,
Remainder of 2018	$	12