v3.8.0.1

Inventories (Details Narrative) - USD ($)	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Inventory Disclosure [Abstract]
Percentage of raw materials located outside united states	9.00%	9.00%
Percentage of finished goods located outside united states	3.00%	7.00%
Payments to acquire inventory	$ 7,945,841	$ 6,900,819	$ 5,441,432

X

- Definition

The element represents the cash outflow a during the period for purchase of inventory.

+ References

No definition available.

+ Details

Name:	ROX_PaymentsToAcquireInventory
Namespace Prefix:	ROX_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The percentage of finished goods located outside of the United States.

+ References

No definition available.

+ Details

Name:	ROX_PercentageOfFinishedGoodsLocatedOutsideUnitedStates
Namespace Prefix:	ROX_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The percentage of raw materials located outside of the United States.

+ References

No definition available.

+ Details

Name:	ROX_PercentageOfRawMaterialsLocatedOutsideUnitedStates
Namespace Prefix:	ROX_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_InventoryDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration