XML 62 R43.htm IDEA: XBRL DOCUMENT
v3.10.0.1

LEASE ARRANGEMENTS (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2018 | Sep. 30, 2017
Capital And Operating Leased Assets [Line Items] |  |
Capital Leased Assets, Gross | $ 6,252 | $ 6,195
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation | 6,136 | 6,007
Operating Leases, Rent Expense, Net | 193 | $ 78
Operating Lease Rental Revenue | 2,172 |
Cash Rent | $ 2,057 |
Building [Member] |  |
Capital And Operating Leased Assets [Line Items] |  |
Operating Lease Option To Cancel Lease Minimum Duration Of Lease | 7 years |

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

X
- Definition It represents the amount of cash received from operating lease. + References No definition available. + Details
Name: | basi_CashRent
Namespace Prefix: | basi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Element represents the number of years into the lease before the option to cancel the lease becomes available. + References No definition available. + Details
Name: | basi_OperatingLeaseOptionToCancelLeaseMinimumDurationOfLease
Namespace Prefix: | basi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition It represents the amount of operating lease rental income recognized. + References No definition available. + Details
Name: | basi_OperatingLeaseRentalRevenue
Namespace Prefix: | basi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84164758&loc=d3e45014-112735 + Details
Name: | us-gaap_CapitalLeasedAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 2) -URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84164758&loc=d3e45014-112735 + Details
Name: | us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717 + Details
Name: | us-gaap_OperatingLeasesRentExpenseNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |