XML 66 R55.htm IDEA: XBRL DOCUMENT
v3.21.2

SHARE-BASED COMPENSATION - Summary of Warrant Activity (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 28, 2021 | Jun. 27, 2021 | Dec. 27, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] |  |  |
Number of warrants, exercisable |  |  | 25,862
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Weighted Average Exercise Price [Roll Forward] |  |  |
Exercisable warrants, weighted average exercise price (in dollars per share) |  |  | $ 16.80
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Intrinsic Value [Roll Forward] |  |  |
Options converted |  | 600 |
Warrant |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] |  |  |
Number of warrants, outstanding, beginning balance (in shares) | 25,862 | 25,862 |
Number of warrants, outstanding, ending balance (in shares) |  | 0 |
Number of warrants, exercisable |  | 0 |
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Weighted Average Exercise Price [Roll Forward] |  |  |
Outstanding warrants, weighted average exercise price, beginning balance (in dollars per share) | $ 16.80 | $ 16.80 |
Outstanding warrants, weighted average exercise price, ending balance (in dollars per share) |  | 0 |
Exercisable warrants, weighted average exercise price (in dollars per share) |  | $ 0 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] |  |  |
Warrants outstanding, weighted average remaining contractual life | 4 months 24 days | 0 years |
Exercisable warrants, weighted average remaining contractual life | 4 months 24 days | 0 years |
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Intrinsic Value [Roll Forward] |  |  |
Outstanding warrants, intrinsic value, beginning balance | $ 0 | $ 0 |
Outstanding warrants, intrinsic value, ending balance |  | 0 |
Exercisable warrants, intrinsic price |  | $ 0 | $ 0

X
- Definition Share Based Compensation Arrangement By Share-Based Payment Award, Non-Option Equity Instruments, Exercisable + References No definition available. + Details
Name: | bgsf_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercisable
Namespace Prefix: | bgsf_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Intrinsic Value [Roll Forward] + References No definition available. + Details
Name: | bgsf_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsIntrinsicValueRollForward
Namespace Prefix: | bgsf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Intrinsic Value + References No definition available. + Details
Name: | bgsf_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsOutstandingIntrinsicValue
Namespace Prefix: | bgsf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Weighted Average Exercise Price + References No definition available. + Details
Name: | bgsf_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePrice
Namespace Prefix: | bgsf_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Weighted Average Remaining Contractual Life + References No definition available. + Details
Name: | bgsf_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageRemainingContractualLife
Namespace Prefix: | bgsf_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Vested and Expected to Vest, Exercisable, Intrinsic Value + References No definition available. + Details
Name: | bgsf_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsVestedandExpectedtoVestExercisableIntrinsicValue
Namespace Prefix: | bgsf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price + References No definition available. + Details
Name: | bgsf_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsVestedandExpectedtoVestExercisableWeightedAverageExercisePrice
Namespace Prefix: | bgsf_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Life + References No definition available. + Details
Name: | bgsf_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsVestedandExpectedtoVestExercisableWeightedAverageRemainingContractualLife
Namespace Prefix: | bgsf_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Weighted Average Exercise Price [Roll Forward] + References No definition available. + Details
Name: | bgsf_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageExercisePriceRollForward
Namespace Prefix: | bgsf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of share options (or share units) exercised during the current period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |