Intangible Assets - Classes of Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Cost	$ 88,912	$ 4,912
Accumulated Amortization	1,112	700
Total	$ 87,800	$ 4,212
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	24 months
Cost	$ 3,000
Accumulated Amortization	8
Total	2,992
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period		156 months
Cost	82,930	$ 1,930
Accumulated Amortization	247	71
Total	$ 82,683	$ 1,859
Support Vector Machine (SVM) Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	108 months	108 months
Cost	$ 500	$ 500
Accumulated Amortization	213	167
Total	$ 287	$ 333
Laboratory Developed Test (LDT) Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	164 months	164 months
Cost	$ 1,482	$ 1,482
Accumulated Amortization	416	297
Total	$ 1,066	$ 1,185
Flow Cytometry and Cytogenetics Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	202 months	202 months
Cost	$ 1,000	$ 1,000
Accumulated Amortization	228	165
Total	$ 772	$ 835
Minimum [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	156 months
Maximum [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	180 months