XML 50 R71.htm IDEA: XBRL DOCUMENT
v2.4.0.8

SELF-INSURANCE (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Sep. 30, 2012 | Sep. 30, 2011
SELF-INSURANCE [Abstract] |  |
Self insurance exposure for individual claims | $ 60 |
Minimum annual aggregate attachment point | 2,072 |
Self-insured employee health plan expenses | $ 1,231 | $ 1,089

X
- Definition Represents the employer's minimum overall limit of claim liability, which is adjusted based on the size of the group insured, as of the balance sheet date. + References No definition available. + Details
Name: | basi_AnnualAggregateAttachmentPointMinimum
Namespace Prefix: | basi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | basi_SelfInsuranceAbstract
Namespace Prefix: | basi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Self Insurance Exposure For Individual Claims + References No definition available. + Details
Name: | basi_SelfInsuranceExposureForIndividualClaims
Namespace Prefix: | basi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Self Insured Employee Health Plan Expenses + References No definition available. + Details
Name: | basi_SelfInsuredEmployeeHealthPlanExpenses
Namespace Prefix: | basi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration