This element represents Annual Facility Fee Receivable Description.

No definition available.

Name:	ROX_AnnualFacilityFeeReceivablesDescription
Namespace Prefix:	ROX_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the amount of closing fees payable by the company.

+ References

No definition available.

+ Details

Name:	ROX_ClosingFeePayable
Namespace Prefix:	ROX_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Payment of commitment fee during the period.

+ References

No definition available.

+ Details

Name:	ROX_CommitmentFee
Namespace Prefix:	ROX_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Payment of monthly fee.

+ References

No definition available.

+ Details

Name:	ROX_MonthlyFacilityFee
Namespace Prefix:	ROX_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

- Definition

The percentage of monthly fee on maximum principal amount credit facility.

+ References

No definition available.

+ Details

Name:	ROX_PercentageOfMonthlyFee
Namespace Prefix:	ROX_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of purchased inventory sublimit.

+ References

No definition available.

+ Details

Name:	ROX_PurchasedInventorySublimit
Namespace Prefix:	ROX_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Used Purchased Inventory Sublimit Amount To Acquire Inventory

+ References

No definition available.

+ Details

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Namespace Prefix:	ROX_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Convertible Notes Payable, excluding current portion. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder.

+ References

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Name:	us-gaap_ConvertibleLongTermNotesPayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The price per share of the conversion feature embedded in the debt instrument.

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-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.

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-SubTopic 20
-Section 50
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-Subparagraph (c)
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The average effective interest rate during the reporting period.

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-Name Accounting Standards Codification
-Topic 835
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-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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Balance Type:	na
Period Type:	duration

- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

+ References

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

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of the required periodic payments applied to interest.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of the required periodic payments applied to principal.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount payable to related parties classified as other, due within one year or the normal operating cycle, if longer.

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-Paragraph 1
-Subparagraph (d)
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the fee for available but unused credit capacity under the credit facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeeAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ References

+ Details

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

- Definition

The effective interest rate during the reporting period.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ References

+ Details

Name:	us-gaap_LongTermNotesPayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

+ References

+ Details

Name:	us-gaap_NotesPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of shares issued during the period as a result of the conversion of convertible securities.

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The gross value of stock issued during the period upon the conversion of convertible securities.

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Period Type:	duration

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Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

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Notes Payable - Schedule of Notes Payable and Credit Facility (Details) (Parenthetical)									1 Months Ended					3 Months Ended		6 Months Ended		12 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 27, 2018	Jun. 30, 2018 USD ($)	May 31, 2018 USD ($)	May 31, 2018 USD ($)	Apr. 30, 2018 USD ($)	Jun. 14, 2017	Oct. 31, 2013 USD ($) $ / shares	Apr. 30, 2018 USD ($)	Aug. 31, 2015 USD ($)	Oct. 31, 2013 USD ($) $ / shares	Aug. 31, 2011 USD ($)	Dec. 31, 2009 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017	Sep. 30, 2018 USD ($)	Sep. 30, 2017	Mar. 31, 2018 USD ($) shares	Sep. 30, 2018 EUR (€)	Mar. 31, 2018 EUR (€)	Dec. 31, 2017 USD ($)	Oct. 31, 2017 USD ($)	Mar. 31, 2017 USD ($)	Jan. 31, 2017 USD ($)
Notes payable, current	$ 127,154													$ 127,154		$ 127,154		$ 176,148
Debt instrument, interest rate	5.00%													5.00%		5.00%			5.00%
Purchased inventory sublimit amount to acquire inventory										$ 3,000,000
Due to other related parties, current	$ 761,600													$ 761,600		$ 761,600		576,546
Payments to acquire inventory	7,490,366													7,490,366		7,490,366
Line of credit facility, remaining borrowing capacity	744,938													744,938		744,938		2,395,038
Debt issuance costs, net	72,370													72,370		72,370		99,065
Notes payable, noncurrent	216,869													$ 216,869		216,869		211,580
Debt conversion price percentage														5.00%	5.00%		5.00%
Convertible Notes [Member]
Debt instrument, convertible, if-converted value in excess of principal								$ 50,000
Debt conversion price percentage								250.00%
Debt converted into shares																		$ 1,632,000
Debt converted into shares, shares \| shares																		1,813,334
Convertible promissory note principal amount	$ 50,000													$ 50,000		$ 50,000		$ 50,000
Frost Gamma Investments Trust [Member]
Due to other related parties, current										150,000											$ 45,021	$ 65,406		$ 51,500
Mark E. Andrews, III [Member]
Due to other related parties, current										50,000											15,007	21,802		17,167
Notes payable, noncurrent								$ 50,000			$ 50,000
Richard J. Lampen [Member]
Due to other related parties, current										100,000											30,014	43,604		34,333
Notes payable, noncurrent								50,000			50,000
Brian L. Heller [Member]
Due to other related parties, current										42,500											12,756	18,532		14,592
Alfred J. Small [Member]
Due to other related parties, current										$ 15,000											4,502	6,541		5,150
Dr. Phillip Frost [Member]
Notes payable, noncurrent								500,000			500,000
Glenn Halpryn [Member]
Notes payable, noncurrent								200,000			200,000
Dennis Scholl [Member]
Notes payable, noncurrent								100,000			100,000
Vector Group Ltd [Member]
Notes payable, noncurrent								$ 200,000			$ 200,000
Equity method interest, percentage								5.00%			5.00%
Frost Nevada Investments Trust [Member] \| Phillip Frost [Member]
Debt instrument, interest rate																							11.00%
Convertible notes payable, noncurrent																							$ 20,000,000
Loan and Security Agreement [Member] \| November 2018 [Member]
Debt instrument, maturity date																Jul. 31, 2020
Loan and Security Agreement [Member] \| Maximum [Member]
Line of credit facility, maximum borrowing capacity												$ 21,000,000
Purchased Inventory Sublimit [Member]
Line of credit facility, interest rate during period																9.50%
Line of credit facility, interest rate description												(a) the Prime Rate plus 4.25%, (b) the LIBOR Rate plus 6.75% and (c) 7.50%.				The monthly facility fee is 0.75% per annum of the maximum Credit Facility
Percentage of monthly fee																0.75%
Monthly facility fee																$ 2,000
Debt instrument, interest rate during period	9.50%	9.25%	9.05031%		9.10805%	9.06175%	8.25%										8.50%
Payments to acquire inventory			$ 1,035,000			$ 2,001,000			$ 2,001,000												$ 900,425	$ 1,308,125		$ 1,030,000
Purchased Inventory Sublimit [Member] \| Richard J. Lampen [Member]
Due to other related parties, current			34,500			66,700			66,700
Purchased Inventory Sublimit [Member] \| Mark E. Andrews, III [Member]
Due to other related parties, current			17,250			33,350			33,350
Purchased Inventory Sublimit [Member] \| Brian L. Heller [Member]
Due to other related parties, current			14,663			28,348			28,348
Purchased Inventory Sublimit [Member] \| Alfred J. Small [Member]
Due to other related parties, current			5,175			10,005			10,005
Purchased Inventory Sublimit [Member] \| Frost Gamma Investments Trust [Member]
Due to other related parties, current			$ 51,750			$ 100,050			$ 100,050
Purchased Inventory Sublimit [Member] \| Maximum [Member]
Line of credit facility, maximum borrowing capacity												$ 7,000,000
Amended Agreement [Member]
Debt instrument, interest rate during period		7.50%	7.30031%	7.35805%		7.31175%	6.50%									7.75%	6.75%
Purchased inventory sublimit										Purchased Inventory Sublimit shall be limited to seventy percent (70%)
Proceeds from related party debt										$ 4,900,000
Closing fee payable										18,000
Commitment fee										$ 18,000
Participation Agreement [Member]
Debt instrument, interest rate	11.00%													11.00%		11.00%			11.00%
Fifth Amendment [Member] \| October 2018 [Member]
Commitment fee																$ 50,000
Fifth Amendment [Member] \| Maximum [Member] \| October 2018 [Member]
Line of credit facility, borrowing capacity	$ 25,000,000													$ 25,000,000		25,000,000
Fifth Amendment [Member] \| Minimum [Member] \| October 2018 [Member]
Line of credit facility, borrowing capacity	23,000,000													23,000,000		$ 23,000,000
Sixth Amendment [Member] \| November 2018 [Member]
Line of credit facility, expiration date																Jul. 31, 2020
Commitment fee																$ 57,500
Note Purchase Agreement [Member] \| 5% Convertible Notes [Member]
Debt instrument, maturity date											Dec. 15, 2018
Debt instrument, interest rate								5.00%			5.00%
Unsecured debt								$ 2,125,000			$ 2,125,000
Debt instrument, convertible, conversion price \| $ / shares								$ 0.90			$ 0.90
GCP Note [Member]
Debt instrument, periodic payment													$ 211,580			216,869
Debt instrument, maturity date													Apr. 01, 2020
Debt instrument, interest rate													5.00%
Debt instrument, accrued interest																5,289		10,579
Debt instrument, principal amount																211,580		211,580
Subordinated Note [Member]
Debt maturity description									In April 2018, the Company entered into a First Amendment to the Subordinated Note to extend the maturity date on the Subordinated Note from March 15, 2019 until September 15, 2020.
Irish Bank [Member]
Line of credit facility, maximum borrowing capacity	360,025													360,025		$ 360,025		382,279
Line of credit facility, interest rate during period																1.70%
Notes payable, current	77,154													77,154		$ 77,154		126,148
Irish Bank [Member] \| Euro [Member]
Line of credit facility, maximum borrowing capacity \| €																			€ 310,334	€ 310,324
Notes payable, current \| €																			€ 66,505	€ 102,404
Credit Facility [Member]
Debt instrument, interest rate during period																3.25%
Annual facility fee receivables description																ACF also receives a collateral management fee of $1,000 per month (increased to $2,000 after the occurrence of and during the continuance of an Event of Default)
Line of credit facility, expiration date																Jul. 31, 2020
Long-term line of credit	$ 22,255,062													$ 22,255,062		$ 22,255,062		$ 18,604,962
Credit Facility [Member] \| Loan and Security Agreement [Member]
Line of credit facility, interest rate during period																7.75%
Line of credit facility, interest rate description												(a) the Prime Rate plus 3.00%, (b) the LIBOR Rate plus 5.50% and (c) 6.00%.
Credit Facility [Member] \| Loan and Security Agreement [Member] \| Maximum [Member]
Line of credit facility, maximum borrowing capacity												$ 21,000,000
Credit Facility [Member] \| Amended Agreement [Member] \| Maximum [Member]
Line of credit facility, maximum borrowing capacity				$ 23,000,000	$ 23,000,000
Credit Facility [Member] \| Amended Agreement [Member] \| Minimum [Member]
Line of credit facility, maximum borrowing capacity				$ 21,000,000	$ 21,000,000