Note 1 - Description of Business	9 Months Ended
Jun. 30, 2022
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	1. Description of Business Overview Bridgeline Digital is a marketing technology software company that helps companies grow online revenue and share information with customers, partners and employees. Bridgeline’s Unbound platform is a Digital Experience Platform that includes Web Content Management, eCommerce, eMarketing, Social Media management, and Web Analytics. Bridgeline’s Unbound platform, combined with its professional services, assists customers in driving lead generation, increasing revenue, improving customer service and loyalty, enhancing employee knowledge, and reducing operational costs. Our Unbound Franchise product empowers large franchises, brand networks, and other multi-unit organizations to manage a large hierarchy of digital properties at scale. OrchestraCMS is the only content and digital experience platform built 100% native on Salesforce and helps customers create websites and intranets for their customers, partners, and employees; uniquely combining content with business data, processes and applications across any channel or device, including Salesforce Communities, social media, portals, intranets, websites, applications and services. Celebros Search is a commerce-oriented site search product that provides for Natural Language Processing with artificial intelligence to present relevant search results based on long-tail keyword searches in seven languages. Woorank SRL (“Woorank”) is a Search Engine Optimization (“SEO”) audit tool that generates an instant audit of the site’s technical, on-page and off-page SEO. Woorank’s clear, actionable insights help companies increase their search ranking, website traffic, audience engagement, conversion, and customer retention rates. Hawk Search, Inc. (“Hawk Search”) is a search, recommendation, and personalization application built for marketers, merchandisers and developers that enhances, normalizes and enriches a customer's site search and browse experience. Hawk Search leverages advanced artificial intelligence, machine learning and analytics to deliver accurate results from federated data sources. All of Bridgeline’s software is available through a cloud-based software as a service (“SaaS”) model, whose flexible architecture provides customers with hosting and support. Additionally, Unbound and Hawk Search are available via a traditional perpetual licensing business model, in which the software resides on a dedicated infrastructure in either the customer’s facility, or manage-hosted by Bridgeline via a cloud-based hosted services model. Bridgeline Digital was incorporated under the laws of the State of Delaware on August 28, 2000. Locations The Company’s corporate office is located in Woburn, Massachusetts. The Company maintains regional field offices serving the following geographical locations: Boston, Massachusetts; Woodbury, New York; Chicago, Illinois; Raleigh, North Carolina; Ontario, Canada; and Brussels, Belgium. The Company has four wholly-owned subsidiaries: Bridgeline Digital Pvt. Ltd., located in Bangalore, India; Bridgeline Digital Canada, Inc., located in Ontario, Canada; Hawk Search Inc. located in Illinois, United States; and Bridgeline Digital Belgium BV, located in Brussels, Belgium.

Note 1 - Description of Business

9 Months Ended

Jun. 30, 2022

Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]

1. Description of Business

Overview

Bridgeline Digital is a marketing technology software company that helps companies grow online revenue and share information with customers, partners and employees.

Bridgeline’s Unbound platform is a Digital Experience Platform that includes Web Content Management, eCommerce, eMarketing, Social Media management, and Web Analytics.

Bridgeline’s Unbound platform, combined with its professional services, assists customers in driving lead generation, increasing revenue, improving customer service and loyalty, enhancing employee knowledge, and reducing operational costs.

Our Unbound Franchise product empowers large franchises, brand networks, and other multi-unit organizations to manage a large hierarchy of digital properties at scale.

OrchestraCMS is the only content and digital experience platform built 100% native on Salesforce and helps customers create websites and intranets for their customers, partners, and employees; uniquely combining content with business data, processes and applications across any channel or device, including Salesforce Communities, social media, portals, intranets, websites, applications and services.

Celebros Search is a commerce-oriented site search product that provides for Natural Language Processing with artificial intelligence to present relevant search results based on long-tail keyword searches in seven languages.

Woorank SRL (“Woorank”) is a Search Engine Optimization (“SEO”) audit tool that generates an instant audit of the site’s technical, on-page and off-page SEO. Woorank’s clear, actionable insights help companies increase their search ranking, website traffic, audience engagement, conversion, and customer retention rates.

Hawk Search, Inc. (“Hawk Search”) is a search, recommendation, and personalization application built for marketers, merchandisers and developers that enhances, normalizes and enriches a customer's site search and browse experience. Hawk Search leverages advanced artificial intelligence, machine learning and analytics to deliver accurate results from federated data sources.

All of Bridgeline’s software is available through a cloud-based software as a service (“SaaS”) model, whose flexible architecture provides customers with hosting and support. Additionally, Unbound and Hawk Search are available via a traditional perpetual licensing business model, in which the software resides on a dedicated infrastructure in either the customer’s facility, or manage-hosted by Bridgeline via a cloud-based hosted services model.

Bridgeline Digital was incorporated under the laws of the State of Delaware on August 28, 2000.

Locations

The Company’s corporate office is located in Woburn, Massachusetts. The Company maintains regional field offices serving the following geographical locations: Boston, Massachusetts; Woodbury, New York; Chicago, Illinois; Raleigh, North Carolina; Ontario, Canada; and Brussels, Belgium.

The Company has four wholly-owned subsidiaries: Bridgeline Digital Pvt. Ltd., located in Bangalore, India; Bridgeline Digital Canada, Inc., located in Ontario, Canada; Hawk Search Inc. located in Illinois, United States; and Bridgeline Digital Belgium BV, located in Brussels, Belgium.