Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0001054274 (http://www.sec.gov/CIK)

Finite-Lived Intangible Assets, Net [Abstract]	Period [Axis]
	2016-01-01 - 2016-12-31
Finite-Lived Intangible Assets, Net [Abstract]
Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]	The gross carrying amount and accumulated amortization of intangible assets are as follows (in thousands):             December 31, 2016       Useful Life     Gross     Accumulated           Net Carrying       (Years)     Amount     Amortization     Impairment     Amount                                   Technology   10     $ 32,539     $ (7,312)     $ -     $ 25,227   Customer relationships   9-12       1,984       (639)       -       1,345   Tradename   3       111       (98)       -       13   Tradename related to MIST Therapy (1)   3       3,601       -       (1,688)       1,913   Non-compete   1       208       (208)       -       -   Total intangible assets           38,443       (8,257)       (1,688)       28,498               December 31, 2015         Useful Life     Gross     Accumulated           Net Carrying         (Years)     Amount     Amortization     Impairment     Amount   Intangible assets subject to amortization:                               Technology     10     $ 32,539     $ (4,057)     $ -     $ 28,482   Customer relationships     9-12       1,984       (449)       -       1,535   Tradename     3       111       (62)       -       49   Non-compete     1       208       (208)       -       -               $ 34,842     $ (4,776)     $ -     $ 30,066                                             Indefinite-lived intangible assets:                                         Tradename related to MIST Therapy (1)     Indefinite       3,601       -       -       3,601   Total indefinite-lived intangible assets             3,601       -       -       3,601   Total intangible assets           $ 38,443     $ (4,776)     $ -     $ 33,667     (1) In December 2016, the Company determined the tradename related to MIST Therapy was no longer an indefinite-lived intangible asset. The Company assigned a remaining useful of approximately 1.5 years, consistent with the Company’s other trademarks.
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	Amortization expense in each of the five years and thereafter subsequent to December 31, 2016 related to the Company’s intangible assets is expected to be as follows (in thousands):       Expected       Amortization       Expense   2017   $ 4,807   2018     4,007   2019     3,169   2020     3,144   2021     3,098   Thereafter     10,273             Total   $ 28,498