Earnings before interest, taxes, depreciation, and amortization.

No definition available.

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

- Definition

Maximum reduction percentage.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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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.

+ References

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Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

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Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

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Period Type:	instant

- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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+ Details

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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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
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Balance Type:	na
Period Type:	duration

- Definition

Aggregate amount of interest paid or due on all long-term debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1402
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+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

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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

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Balance Type:	na
Period Type:	duration

- 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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Long-Term Debt (Details) - USD ($)		3 Months Ended		6 Months Ended
Long-Term Debt (Details) - USD ($)	Nov. 11, 2024	Jun. 30, 2026	Mar. 31, 2025	Jun. 30, 2026	Mar. 31, 2026
Long-Term Debt [Line Items]
EBITDA exceeding amount			$ 900,000
Maximum reduction percentage					10.00%
Interest expense		$ 2,340,000		$ 2,695,000
Secured Debt [Member]
Long-Term Debt [Line Items]
Effect of interest rate		0.75%		0.75%
2024 Secured Convertible Notes [Member]
Long-Term Debt [Line Items]
Principal amount		$ 266,000		$ 266,000
Increased interest rate				13.00%
Maximum reduction percentage					14.00%
2024 Secured Convertible Notes [Member] \| Secured Debt [Member]
Long-Term Debt [Line Items]
Maturity date	Jan. 23, 2027
Minimum cash balance	$ 1,000,000
2024 Secured Term Notes [Member]
Long-Term Debt [Line Items]
Increased interest rate				17.00%
Payable amount		$ 64,000		$ 64,000
2025 Secured Convertible Notes [Member]
Long-Term Debt [Line Items]
Maturity term				January 2027
Common Stock [Member] \| 2025 Secured Convertible Notes [Member]
Long-Term Debt [Line Items]
Conversion price per share (in Dollars per share)		$ 0.15		$ 0.15