Subsequent Event (Details) - Avance Nerve Graft and Avive Soft Tissue Membrane - Subsequent Event [Member]	Jul. 31, 2018 a ft²
Maximum
Subsequent Event [Line Items]
Renovations completion period (in months)	24 months
Building
Subsequent Event [Line Items]
Leased office space \| ft²	70,000
Land
Subsequent Event [Line Items]
Leased office space \| a	8.6

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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