v3.8.0.1

Basic and Diluted Net Loss Per Common Share - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) (Parenthetical)	Sep. 30, 2017	Mar. 31, 2017	Sep. 30, 2016
Debt instrument, interest rate	5.00%	5.00%
5% Convertible Notes [Member]
Debt instrument, interest rate	5.00%		5.00%

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=ROX_FivePercentageConvertibleNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: