Intangible Assets (Details) - Dec. 31, 2014 - USD ($) $ in Thousands	Total	Total
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in Years)		5 years 3 months 18 days
Gross Carrying Amount	$ 22,027	$ 22,027
Accumulated Amortization	392	392
Net	21,635	21,635
Estimated future amortization expense [Abstract]
January 1 - June 30, 2015	224	224
2016	448	448
2017	392	392
2018	299	299
2019	227	227
Thereafter	175	175
Total	1,765	1,765
Amortization expense	113	$ 229
Trade names [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in Years)		7 years
Gross Carrying Amount	30	$ 30
Accumulated Amortization	4	4
Net	26	$ 26
Licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in Years)		7 years
Gross Carrying Amount	518	$ 518
Accumulated Amortization	65	65
Net	453	$ 453
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in Years)		3 years
Gross Carrying Amount	449	$ 449
Accumulated Amortization	131	131
Net	318	$ 318
Device registration [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in Years)		7 years
Gross Carrying Amount	205	$ 205
Accumulated Amortization	26	26
Net	179	$ 179
Covenants not to compete [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in Years)		5 years
Gross Carrying Amount	955	$ 955
Accumulated Amortization	166	166
Net	789	789
Clinical protocols [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	19,870	19,870
Accumulated Amortization	0	0
Net	$ 19,870	$ 19,870