GOODWILL AND LONG-LIVED ASSETS (Tables)

9 Months Ended

Sep. 30, 2017

GOODWILL AND LONG-LIVED ASSETS [Abstract]

Changes in carrying amount of goodwill

The carrying amount of goodwill at September 30, 2017 and 2016 is as follows:

	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 September 30, 2017	$	117,176	$	(102,640	)	$	14,536

	Gross Goodwill Balance		Accumulated  Impairment Losses			Net Goodwill Balance
Balance as of January 1, 2016	$	117,176	$	(93,881	)	$	23,295
Adjustments		-		-			-
Balance as of September 30, 2016	$	117,176	$	(93,881	)	$	23,295

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 December 31, 2016	$	160
Adjustments		-
Gross carrying amount at September 30, 2017		160
Accumulated amortization at December 31, 2016		128
Amortization		11
Accumulated amortization at September 30, 2017		139
Net carrying amount at September 30, 2017	$	21
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 2017	$	4
2018		17
	$	21