Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

STOCKHOLDERS' EQUITY (DEFICIT) (Series A and Series B Preferred Stock) (Details) - shares	Jun. 30, 2017	Dec. 31, 2016	Mar. 31, 2016
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)	1,712,901	780,105
Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)		367,299	275,237
Series B Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)		412,806	208,087