XML 74 R55.htm IDEA: XBRL DOCUMENT
v3.10.0.1

RETIREMENT PLAN (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2018 | Sep. 30, 2017
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 50.00% |
Defined Contribution Plan Employer Contribution Match Maximum Percent Of Employee Contribution | 6.00% |
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 30.00% |
Contribution expense | $ 256 | $ 200

X
- Definition The maximum percentage of participant's contribution to the plan that the employer will contribute a matching contribution. + References No definition available. + Details
Name: | basi_DefinedContributionPlanEmployerContributionMatchMaximumPercentOfEmployeeContribution
Namespace Prefix: | basi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cost for defined contribution plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration