RELATED PARTY TRANSACTIONS NARRATIVE (Detail) - Broady Health Sciences - ReStore - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
Feb. 28, 2013	Mar. 31, 2018	Mar. 31, 2017
Related Party Transaction [Line Items]
Royalty rate	2.50%
Royalty expense		$ 83	$ 91
Number of days for termination notice	120 days

Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Name:	us-gaap_RoyaltyExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration