Related Party Transaction, Advance Payable Period

No definition available.

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Namespace Prefix:	boxl_
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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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Namespace Prefix:	boxl_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Related Party Transaction, Deposit, Percentage Of Purchase Price Of Inventory

+ References

No definition available.

+ Details

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Namespace Prefix:	boxl_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Related Party Transaction, Maximum Aggregate Purchase Amount

+ References

No definition available.

+ Details

Name:	boxl_RelatedPartyTransactionMaximumAggregatePurchaseAmount
Namespace Prefix:	boxl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Related Party Transaction, Outstanding Commitment Converted

+ References

No definition available.

+ Details

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

- Definition

Related Party Transaction, Shares Issued In Conversion

+ References

No definition available.

+ Details

Name:	boxl_RelatedPartyTransactionSharesIssuedInConversion
Namespace Prefix:	boxl_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Related Party Transaction, Shortfall Payment Period

+ References

No definition available.

+ Details

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

- Definition

Related Party Transaction, Threshold Proceeds From Sale Of Converted Shares

+ References

No definition available.

+ Details

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

- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3

+ Details

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

- 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

No definition available.

+ Details

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

- Definition

Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(17))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 2: 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(25))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=boxl_InventoryFinanceAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_RelatedPartyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis=us-gaap_PurchaseCommitmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

COMMITMENTS AND CONTINGENCIES (Details) - USD ($)	Apr. 01, 2026	Nov. 03, 2025	Dec. 31, 2025
Inventory Finance Agreement
Purchase Commitment, Excluding Long-Term Commitment [Line Items]
Maximum aggregate purchase amount		$ 9,000,000.0
Percentage of purchase price of inventory		20.00%
Advance payable period		90 days
Inventory Finance Agreement \| Subsequent Event
Purchase Commitment, Excluding Long-Term Commitment [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 \| Related Party
Purchase Commitment, Excluding Long-Term Commitment [Line Items]
Other commitment			$ 3,700,000
Purchase Commitments
Purchase Commitment, Excluding Long-Term Commitment [Line Items]
Open inventory purchase orders			$ 18,300,000