SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Cash and Cash Equivalents (Details)	12 Months Ended
Dec. 31, 2014
Accounting Policies [Abstract]
Maximum maturity for cash and cash equivalents (in months)	3 months

The maximum maturity, in months, of highly liquid investments for it to qualify as a cash equivalent.

No definition available.

Name:	bios_CashEquivalentsMaturityTermMaximum
Namespace Prefix:	bios_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration