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