SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Accounting for Stock-Based Compensation (Details)	Dec. 31, 2017 stock_compensation_plan
Accounting Policies [Abstract]
Number of stock-based employee compensation plans	1

The number of stock-based employee and non-employee director compensation plans.

No definition available.

Name:	bios_NumberOfStockBasedCompensationPlans
Namespace Prefix:	bios_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant