Note 1 - Principles of Consolidation and Basis of Presentation (Details Textual)	9 Months Ended
Mar. 31, 2019 shares
Common Shares Included in Calculation of Diluted EPS Attributable to Conversion of Debt Securities	8,230,769

Number of shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method.

No definition available.

Name:	inbp_CommonSharesIncludedInCalculationOfDilutedEPSAttributableToConversionOfDebtSecurities
Namespace Prefix:	inbp_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration