RESTRUCTURING AND OTHER EXPENSES Restructuring Phase I (Details) (Phase One, USD $) In Thousands, unless otherwise specified	12 Months Ended	51 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014
Restructuring accrual activity
Balance	$ 521us-gaap_RestructuringReserve	$ 1,024us-gaap_RestructuringReserve
Expenses (credits)	248bios_RestructuringChargesCredits	(65)bios_RestructuringChargesCredits	10,300bios_RestructuringChargesCredits
Cash payments	(351)us-gaap_PaymentsForRestructuring	(438)us-gaap_PaymentsForRestructuring
Balance	418us-gaap_RestructuringReserve	521us-gaap_RestructuringReserve	418us-gaap_RestructuringReserve
Employee Severance and Other Benefits
Restructuring accrual activity
Balance	0	163
Expenses (credits)	0	(163)	4,100
Cash payments	0	0
Balance	0	0	0
Consulting Costs
Restructuring accrual activity
Balance	0	20
Expenses (credits)	0	(20)	4,300
Cash payments	0	0
Balance	0	0	0
Facility-Related Costs
Restructuring accrual activity
Balance	521	841
Expenses (credits)	248	118	1,900
Cash payments	(351)	(438)
Balance	$ 418	$ 521	$ 418

Amount of expenses (credits) associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses (credits) related to a discontinued operation or an asset retirement obligation.

No definition available.

+ Details

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Namespace Prefix:	bios_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration