Note 16 - Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2015

	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				25,484		(4)		83,065
Expenditures for segment assets		579			33		—			612				11				623
Total debt		23			—		—			23				9,965		(5)		9,988

	Treatment			Services				Medical			Segments Total				Corporate			(2)	Consolidated Total
Revenue from external customers	$	42,343		$	14,722				—		$	57,065		(3)	$	—			$	57,065
Intercompany revenues		12			70				—			82				—				—
Gross profit		10,480			1,428				—			11,908				—				11,908
Research and Development		437			99				759			1,295				20				1,315
Interest income		—			—				—			—				27				27
Interest expense		(38	)		(1	)			—			(39	)			(577	)			(616	)
Interest expense-financing fees		—			2				—			2				(194	)			(192	)
Depreciation and amortization		3,281			910				—			4,191				49				4,240
Segment income (loss) before income taxes		6,149			(2,184	)	(6)		(759	)		3,206				(5,781	)			(2,575	)
Income tax expense (benefit)		604			(191	)			—			413				4				417
Segment income (loss)		5,545			(1,993	)	(6)		(759	)		2,793				(5,785	)			(2,992	)
Segment assets (1)		50,226			8,920				1,213			60,359				27,892		(4)		88,251
Expenditures for segment assets		399			64				—			463				1				464
Total debt		47			—				—			47				11,325		(5)		11,372