Long-lived intangible assets and other assets consisted of the following:



	Dollars in Thousands
	December 31, 2015
	Cost		Accumulated Amortization		Impairment Charge		Net Book Value
Acquired technology	$	9,009	$	4,611	$	4,398	$	—
Assay royalties	1,434		973		461		—
Third party payor relationships	367		116		251		—
Tradenames and trademarks	824		439		385		—
Customer relationships	652		130		522		—
Covenants not to compete	184		184		—		—
Patents	980		126		148		706
Intellectual property	671		207		—		464
	$	14,121	$	6,786	$	6,165	$	1,170



	Dollars in Thousands
	December 31, 2014
	Cost		Accumulated Amortization		Net Book Value		Included in assets held for sale		Included in continuing operations
Acquired technology	$	9,009	$	3,995	$	5,014	$	5,014	$	—
Assay royalties	1,434		819		615		615		—
Third party payor relationships	367		98		269		269		—
Tradenames and trademarks	824		351		473		473		—
Customer relationships	652		98		554		554		—
Covenants not to compete	184		138		46		46		—
Patents	815		87		728		157		571
Intellectual property	266		86		180		—		180
	$	13,551	$	5,672	$	7,879	$	7,128	$	751




	Estimated Useful Life
Acquired technology	7 – 10 years
Assay royalties	7 years
Third party payor relationships	15 years
Tradenames and trademarks	7 years
Customer relationships	15 years
Covenants not to compete	3 years
Patents	Life of the patent
Intellectual property	7 years