6. Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill

Goodwill consists of the following (in thousands):

		Amount
Balance at December 31, 2016	$	30,600
Goodwill impairment		(18,500)
Balance at December 31, 2017		12,100
Goodwill impairment		-
Balance at March 31 2018	$	12,100

Intangible assets

Intangible assets consist of the following (dollars in thousands):

		As of March 31, 2018
	Weighted Average		Gross Carrying				Accumulated		Net Carrying
	Life Remaining		Amount		Impairment		Amortization		Amount
Unamortized intangible assets:
In-process research and development	Indefinite	$	11,000	$	-	$	-	$	11,000
Total unamortized intangible assets			11,000		-		-		11,000
Amortized intangible assets:
Product licenses	5.2 years		2,846		-		(1,690)		1,156
Supplier contracts	3.1 years		583		-		(223)		360
Acquired developed technologies	14.9 years		364,686		-		(290,402)		74,284
Total amortized intangible assets			368,115		-		(292,315)		75,800
Total intangible assets		$	379,115	$	-	$	(292,315)	$	86,800

		As of December 31, 2017
	Weighted Average		Gross Carrying				Accumulated		Net Carrying
	Life Remaining		Amount		Impairment		Amortization		Amount
Unamortized intangible assets:
In-process research and development	Indefinite	$	11,000	$	-	$	-	$	11,000
Total unamortized intangible assets			11,000		-		-		11,000
Amortized intangible assets:
Product licenses	5.4 years		2,846		-		(1,623)		1,223
Supplier contracts	3.3 years		583		-		(194)		389
Acquired developed technologies	13.7 years		364,686		-		(280,692)		83,994
Total amortized intangible assets			368,115		-		(282,509)		85,606
Total intangible assets		$	379,115	$	-	$	(282,509)	$	96,606

Intangible Assets Estimated Amortization Expenses

Estimated amortization expense related to intangible assets with definite lives for each of the five succeeding years and thereafter is as follows (in thousands):

		Amount
2018 (April - December)	$	4,130
2019		5,507
2020		5,420
2021		5,325
2022		5,286
Thereafter		50,132
Total	$	75,800