Note 5 - Goodwill and Acquisition-related Intangible Assets, Net

6 Months Ended

Jun. 30, 2018

Notes to Financial Statements

Goodwill and Intangible Assets Disclosure [Text Block]

5

. GOODWILL AND

ACQUISITION-RELATED INTAN

GIBLE ASSETS

, NET

There have been

no

changes in the balance of goodwill during the

three

and

six

months ended

June 30, 2018.

Acquisition-related intangible assets consist of the following (in thousands):

	June 30, 2018
	Gross Amount		Accumulated Amortization			Net Amount
Know-how	$	1,018	$	(806	)	$	212
Developed technologies		6,466		(6,174	)		292
Total	$	7,484	$	(6,980	)	$	504

	December 31, 2017
	Gross Amount		Accumulated Amortization			Net Amount
Know-how	$	1,018	$	(704	)	$	314
Developed technologies		6,466		(5,829	)		637
Total	$	7,484	$	(6,533	)	$	951

Amortization expense is recorded in cost of revenue in the Condensed Consolidated Statements of Operations. For the

three

months ended

June 30, 2018

and

2017,

amortization expense totaled

$0.2

million and

$0.5

million, respectively. For the

six

months ended

June 30, 2018

and

2017,

amortization expense totaled

$0.4

million and

$1.0

million, respectively.

As of

June 30, 2018,

the estimated future amortization expense was as follows (in thousands):

2018 (remaining six months)	$	394
2019		110
Total	$	504