Note 11 - Business Segment, Geographic and Concentration Risk Information (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Revenue from External Customers by Products and Services [Table Text Block]

	Three Months Ended				Six Months Ended
	June 30, 2017		July 1, 2016		June 30, 2017		July 1, 2016
Product line sales:
Algovita	$	5,491	$	569	$	8,878	$	984
Neural interface components and systems		1,174		1,321		2,375		2,457
Development and engineering service		558		664		1,010		1,175
Total sales	$	7,223	$	2,554	$	12,263	$	4,616

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three Months Ended				Six Months Ended
	June 30, 2017		July 1, 2016		June 30, 2017		July 1, 2016
Business segment sales:
Nuvectra	$	6,049	$	1,233	$	9,888	$	2,159
NeuroNexus		1,174		1,321		2,375		2,457
Total sales	$	7,223	$	2,554	$	12,263	$	4,616

	Three Months Ended						Six Months Ended
	June 30, 2017			July 1, 2016			June 30, 2017			July 1, 2016
Segment (loss) income from operations:
Nuvectra	$	(10,813	)	$	(8,316	)	$	(23,418	)	$	(15,217	)
NeuroNexus		90			66			146			(116	)
Total segment (loss) income from operations		(10,723	)		(8,250	)		(23,272	)		(15,333	)
Unallocated operating expenses		—			—			—			—
Operating loss		(10,723	)		(8,250	)		(23,272	)		(15,333	)
Unallocated other expense, net		(515	)		(511	)		(1,088	)		(570	)
Loss before provision for income taxes	$	(11,238	)	$	(8,761	)	$	(24,360	)	$	(15,903	)

Revenue from External Customers by Geographic Areas [Table Text Block]

	Three Months Ended				Six Months Ended
	June 30, 2017		July 1, 2016		June 30, 2017		July 1, 2016
Sales by geographic area:
United States	$	5,601	$	1,163	$	9,371	$	1,827
Non-Domestic locations:
Switzerland		586		724		1,059		1,270
Germany		523		309		874		865
Rest of world		513		358		959		654
Total sales	$	7,223	$	2,554	$	12,263	$	4,616