Note 1 - Description of Business	3 Months Ended
Dec. 31, 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 company that offers a suite of products that help companies grow online revenue by driving more traffic to their websites, converting more visitors to purchasers, and increasing average order value. HawkSearch is a site search, recommendation, and personalization application, built for marketers, merchandisers, and developers to enhance, normalize, and enrich an online customer's content search and product discovery experience. HawkSearch leverages advanced artificial intelligence, machine learning and industry-leading merchandising features to deliver accurate and highly relevant results and recommendations derived from multiple data sources. Celebros Search is a commerce-oriented site search product that provides Natural Language Processing with artificial intelligence to present relevant search results based on long-tail keyword searches with support for multiple languages. Woorank is a Search Engine Optimization (“SEO”) audit tool that generates an instant performance audit of the site’s technical, on-page, and off-page SEO. Woorank’s clear, actionable insights help companies increase their search engine ranking, while boosting website traffic, audience engagement, conversion, and customer retention rates. Our Unbound platform is a Digital Experience Platform that includes Web Content Management, eCommerce, Digital Marketing, and Web Analytics. The Unbound platform, combined with its professional services, assists customers in powering engaging digital experiences that drive lead generation, increase revenue, improve customer service and loyalty, enhance employee knowledge, and reduce operational costs. The TruPresence product empowers large franchises, brand networks, and other multi-unit organizations to manage a large hierarchy of digital properties at scale. TruPresence provides centralized and distributed management of content and products from parent sites down to multiple child sites for consistency in branding and messaging, while also enabling regional / local site owners to manage the local messaging, products and promotions specific to their local market. 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. The software uniquely combines content with business data, processes and applications across any channel or device, including Salesforce Communities, social media, portals, intranets, websites, applications and services. All of Bridgeline’s software is available through a cloud-based Software as a Service (“SaaS”) model, whose flexible architecture provides customers hosting and support. Additionally, Unbound and HawkSearch have the option to be available via a traditional perpetual licensing business model, in which the software can reside on a dedicated infrastructure either on premise at the customer’s facility, or manage-hosted by Bridgeline via a cloud-based, dedicated 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: Woodbury, New York; Rosemont, Illinois; Atascadero, California; 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 Rosemont, Illinois and Bridgeline Digital Belgium BV, located in Brussels, Belgium.

Note 1 - Description of Business

3 Months Ended

Dec. 31, 2022

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

1. Description of Business

Overview

Bridgeline Digital is a marketing technology company that offers a suite of products that help companies grow online revenue by driving more traffic to their websites, converting more visitors to purchasers, and increasing average order value.

HawkSearch is a site search, recommendation, and personalization application, built for marketers, merchandisers, and developers to enhance, normalize, and enrich an online customer's content search and product discovery experience. HawkSearch leverages advanced artificial intelligence, machine learning and industry-leading merchandising features to deliver accurate and highly relevant results and recommendations derived from multiple data sources.

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

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

Our Unbound platform is a Digital Experience Platform that includes Web Content Management, eCommerce, Digital Marketing, and Web Analytics. The Unbound platform, combined with its professional services, assists customers in powering engaging digital experiences that drive lead generation, increase revenue, improve customer service and loyalty, enhance employee knowledge, and reduce operational costs.

The TruPresence product empowers large franchises, brand networks, and other multi-unit organizations to manage a large hierarchy of digital properties at scale. TruPresence provides centralized and distributed management of content and products from parent sites down to multiple child sites for consistency in branding and messaging, while also enabling regional / local site owners to manage the local messaging, products and promotions specific to their local market.

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. The software uniquely combines content with business data, processes and applications across any channel or device, including Salesforce Communities, social media, portals, intranets, websites, applications and services.

All of Bridgeline’s software is available through a cloud-based Software as a Service (“SaaS”) model, whose flexible architecture provides customers hosting and support. Additionally, Unbound and HawkSearch have the option to be available via a traditional perpetual licensing business model, in which the software can reside on a dedicated infrastructure either on premise at the customer’s facility, or manage-hosted by Bridgeline via a cloud-based, dedicated 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: Woodbury, New York; Rosemont, Illinois; Atascadero, California; 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 Rosemont, Illinois and Bridgeline Digital Belgium BV, located in Brussels, Belgium.