Management Fee Expense, Annual, Maximum

No definition available.

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- Definition

Percentage of annual management fee payable in cash

+ References

No definition available.

+ Details

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- Definition

Related Party Transaction, Accrued Interest In Event Of Default, Percentage

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Related Party Transaction, Advance Payable Period

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Related Party Transaction, Conversion Price Per Share

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Related Party Transaction, Finance Percentage

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Related Party Transaction, Increase In Outstanding Balance Payable In Event Of Default, Percentage

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Related Party Transaction, Maximum Aggregate Purchase Amount

+ References

No definition available.

+ Details

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

- Definition

Related Party Transaction, Maximum Aggregate Purchase Amount Increase

+ References

No definition available.

+ Details

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

- Definition

Amount of monthly fixed payment for services with related party during the financial reporting period.

+ References

No definition available.

+ Details

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

- Definition

Related Party Transaction, Outstanding Commitment Converted

+ References

No definition available.

+ Details

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Namespace Prefix:	boxl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of commission on gross profit derived on total purchase order revenue.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Related Party Transaction, Rate Ratio Per 0.80

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Related Party Transaction, Shares Issued In Conversion

+ References

No definition available.

+ Details

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

- Definition

Related Party Transaction, Shortfall Payment Period

+ References

No definition available.

+ Details

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Namespace Prefix:	boxl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Related Party Transaction, Term

+ References

No definition available.

+ Details

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

- Definition

Related Party Transaction, Threshold Proceeds From Sale Of Converted Shares

+ References

No definition available.

+ Details

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Namespace Prefix:	boxl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Period over which the Management Agreement pays after employment termination, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	boxl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Face amount or stated value per share of common stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
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+ Details

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

- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

+ Details

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

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ Details

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- Definition

Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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RELATED PARTY TRANSACTIONS (Details) - USD ($)							3 Months Ended
RELATED PARTY TRANSACTIONS (Details) - USD ($)	Apr. 01, 2026	Nov. 03, 2025	May 27, 2025	Jan. 04, 2024	Nov. 01, 2022	Jan. 31, 2018	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Related Party Transaction [Line Items]
Common stock, par value (in dollars per share)							$ 0.0001		$ 0.0001
Sales, Marketing, Management and Related Consulting Services \| Mark Elliott
Related Party Transaction [Line Items]
Related party transaction, monthly fixed payment for services					$ 4,000
Related party transaction, percentage of commission on gross profit derived on total purchase order revenue					15.00%
Related party transaction amounts							$ 46,000	$ 42,000
Management Agreement
Related Party Transaction [Line Items]
Related party transaction amounts								$ 43,000
Management Agreement \| Related Party
Related Party Transaction [Line Items]
Term over which management agreement pays after employment termination (in months)				13 months		13 months
Management fee percentage						0.375%
Maximum annual management fee						$ 250,000
Inventory Finance Agreement
Related Party Transaction [Line Items]
Maximum aggregate purchase amount		$ 9,000,000.0
Advance payable period		90 days
Inventory Finance Agreement \| Subsequent event
Related Party Transaction [Line Items]
Outstanding obligation balance converted	$ 556,200
Shares issued in conversion (in shares)	600,000
Conversion price (in dollars per share)	$ 0.927
Threshold aggregate proceeds from sale of conversion shares	$ 556,200
Shortfall payment period	5 days
Inventory Finance Agreement \| J.J. ASTOR
Related Party Transaction [Line Items]
Maximum aggregate purchase amount		$ 9,000,000.0	$ 6,000,000
Related party transaction term			1 year
Advance payable period		90 days	90 days
Related party transaction rate			5.35%
Increase in outstanding balance payable in event of default, percentage			10.00%
Accrued interest percentage in event of default			19.00%
Finance percentage		80.00%
Maximum aggregate purchase amount increase		$ 3,000,000
Related party transaction rate ratio		1.0535
Inventory Finance Agreement \| J.J. ASTOR \| Subsequent event
Related Party Transaction [Line Items]
Maximum aggregate purchase amount	$ 10,000,000.0
Inventory Finance Agreement \| J.J. ASTOR \| Related Party
Related Party Transaction [Line Items]
Common stock, par value (in dollars per share)		$ 0.001