Number of shares authorized for issuance under share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

STOCK-BASED COMPENSATION, Expense and Authorized (Details) - shares	May 12, 2017	Oct. 30, 2013
2013 Option Plan [Member]
Share-based Compensation [Abstract]
Options to purchase common stock for issuance (in shares)		100,000
2017 Plan [Member]
Share-based Compensation [Abstract]
Options to purchase common stock for issuance (in shares)	100,000