STOCK-BASED COMPENSATION (Details 5) (Warrant [Member], USD $)	12 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Warrant [Member]
Warrants, Outstanding and exercisable, at beginning of period	1,777,802	11,904,925
Warrants, Granted	0	0
Warrants, Exercised	0	(10,127,123)
Warrants, Forfeited	(1,657,802)	0
Warrants, Outstanding and exercisable, at end of period	120,000	1,777,802
Weighted Average Exercise Price Per Warrant, Outstanding and exercisable at beginning of period	$ 0.90	$ 0.46
Weighted Average Exercise Price Per Warrant, Granted	$ 0	$ 0
Weighted Average Exercise Price Per Warrant, Exercised	$ 0	$ 0.38
Weighted Average Exercise Price Per Warrant, Forfeited	$ 0.38	$ 0
Weighted Average Exercise Price Per Warrant, Outstanding and exercisable at end of period	$ 8.00	$ 0.90

The element represents the number of warrants exercised.

No definition available.

Name:	rox_WarrantsExercisedNumber
Namespace Prefix:	rox_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The element represents the number of warrants forfeited.

No definition available.

Name:	rox_WarrantsForfeitedNumber
Namespace Prefix:	rox_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The element represents the number of warrants granted.

No definition available.

The element represents the number of warrants outstanding and exercisable.

No definition available.

Name:	rox_WarrantsOutstandingAndExercisableNumber
Namespace Prefix:	rox_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The element represents the weighted average exercise price per warrant exercised.

No definition available.

Name:	rox_WeightedAverageExercisePricePerWarrantExercised
Namespace Prefix:	rox_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

The element represents the weighted average exercise price per warrant forfeited.

No definition available.

Name:	rox_WeightedAverageExercisePricePerWarrantForfeited
Namespace Prefix:	rox_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

The element represents the weighted average exercise price of warrants granted.

No definition available.

Name:	rox_WeightedAverageExercisePricePerWarrantGranted
Namespace Prefix:	rox_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

The element represents the weighted average exercise price per warrant outstanding and exercisable.

No definition available.

Name:	rox_WeightedAverageExercisePricePerWarrantOutstandingAndExercisable
Namespace Prefix:	rox_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant