Note 17 - Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2016

	Treatment			Services			Medical			Segments Total			Corporate		(2)	Consolidated Total
Revenue from external customers	$	32,253		$	18,966			—		$	51,219	(3)	$	—		$	51,219
Intercompany revenues		40			28			—			68			—			—
Gross profit		4,015			3,069			—			7,084			—			7,084
Research and development		504			38			1,489			2,031			15			2,046
Interest income		3			—			—			3			107			110
Interest expense		(29	)		(2	)		—			(31	)		(458	)		(489	)
Interest expense-financing fees		—			—			—			—			(108	)		(108	)
Depreciation and amortization		3,451			632			—			4,083			82			4,165
Segment (loss) income before income taxes		(10,119	) (6)		744			(1,489	)		(10,864	)		(5,393	)		(16,257	)
Income tax (benefit) expense		(3,013	) (6)		—			—			(3,013	)		19			(2,994	)
Segment (loss) income		(7,106	)		744			(1,489	)		(7,851	)		(5,412	)		(13,263	)
Segment assets (1)		32,482			8,105			382			40,969			24,366	(4)		65,335
Expenditures for segment assets		418			17			1			436			—			436
Total debt		—			—			—			—			8,833	(5)		8,833

	Treatment			Services		Medical			Segments Total			Corporate		(2)	Consolidated Total
Revenue from external customers	$	41,318		$	21,065		—		$	62,383	(3)	$	—		$	62,383
Intercompany revenues		113			25		—			138			—			—
Gross profit		10,910			3,441		—			14,351			—			14,351
Research and development		179			—		2,114			2,293			9			2,302
Interest income		6			—		—			6			47			53
Interest expense		(38	)		—		—			(38	)		(451	)		(489	)
Interest expense-financing fees		(2	)		—		—			(2	)		(226	)		(228	)
Depreciation and amortization		2,949			725		—			3,674			43			3,717
Segment income (loss) before income taxes		7,101			1,178		(2,114	)		6,165			(5,685	)		480
Income tax expense		538			—		—			538			5			543
Segment income (loss)		6,563			1,178		(2,114	)		5,627			(5,690	)		(63	)
Segment assets (1)		46,307			9,481		1,793			57,581			25,332	(4)		82,913
Expenditures for segment assets		579			33		—			612			11			623
Total debt		23			—		—			23			9,813	(5)		9,836