XML 152 R114.htm IDEA: XBRL DOCUMENT
v3.23.1

Subsequent Events - Additional Information (Details) - USD ($) | Mar. 22, 2023 | Mar. 19, 2023 | Dec. 31, 2022 | Jan. 01, 2022
--- | --- | --- | --- | ---
Subsequent Event [Line Items] |  |  |  |
Common Stock, Par or Stated Value Per Share |  |  | $ 0.001 | $ 0.001
Subsequent Event | Stock Purchase Agreement | Subsidiaries |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Reduction in liabilities |  | $ 17,600,000 |  |
Advance payment |  | 1,000,000 |  |
Proceeds for equity |  | $ 1,000 |  |
Stock purchase agreement description |  | Each monthly payment is to be the greater of (a) $140,000 (or $100,000 for each January and February during the 15-year payment period) or (b) a monthly percentage-based payment, which is an amount calculated as follows: (i) 5% of the Subsidiaries’ aggregate gross revenues up to $2,000,000 for the relevant month, plus (ii) 4% of the Subsidiaries’ aggregate gross revenues between $2,000,000 and $3,000,000 for the relevant month, plus (iii) 3% of the Subsidiaries aggregate gross revenues over $3,000,000 for the relevant month |  |
Subsequent Event | Stock Purchase Agreement | Subsidiaries | Maximum |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Proceeds from subsidiaries |  | $ 24,000,000.0 |  |
Subsequent Event | Securities Purchase Agreement [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Common Stock, Par or Stated Value Per Share | $ 0.001 |  |  |
Common Stock Purchase Price Per Share | $ 1.17 |  |  |
Common stock offering shares | 361,000 |  |  |
Proceeds from sale of common stock | $ 422,000 |  |  |

X
- Definition Common stock purchase price per share. + References No definition available. + Details
Name: | jan_CommonStockPurchasePricePerShare
Namespace Prefix: | jan_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Proceeds from Subsidiaries + References No definition available. + Details
Name: | jan_ProceedsFromSubsidiaries
Namespace Prefix: | jan_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Stock Purchase Agreement Description + References No definition available. + Details
Name: | jan_StockPurchaseAgreementDescription
Namespace Prefix: | jan_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face amount or stated value per share of common stock. + References Reference 1: 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 https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The increase (decrease) during the reporting period in the aggregate amount of liabilities that result from activities that generate operating income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
Name: | us-gaap_IncreaseDecreaseInOperatingLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of units sold in a public offering of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners. + References Reference 1: 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 https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770 + Details
Name: | us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow from advancing money to an affiliate (an entity that is related but not strictly controlled by the entity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsForAdvanceToAffiliate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash inflow from the issuance of equity classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromOtherEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The proceeds from the sale of an interest in a unit of partnership. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromSaleOfInterestInPartnershipUnit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=jan_StockPurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=jan_SecuritiesPurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |