Micro-cap software firm Bridgeline Digital (NASDAQ: BLIN) picked up a fresh vote of customer confidence on July 16, announcing that a longstanding client has expanded its investment in the company's HawkSearch platform under a new multi-year agreement.

Bridgeline sells AI-powered marketing and commerce software, and HawkSearch is its flagship product, providing site search, merchandising and product discovery for online retailers. According to the announcement, the customer, a specialty online retailer that has used HawkSearch for several years, is upgrading to the platform's latest OpenSearch-powered architecture to support continued growth and unlock new AI-driven capabilities. President and CEO Ari Kahn said expanding existing customer relationships is a strong indicator of long-term platform value, pointing to growing demand for modern, AI-powered search architectures that can scale with customers' businesses. For a company as small as Bridgeline, multi-year expansions from existing accounts speak to retention and the pull of its AI product roadmap.

Still, the company did not disclose the customer's name or the agreement's dollar value, and thinly traded micro-caps like Bridgeline can be extremely volatile. This is market commentary, not investment advice — small-cap technology stocks are highly speculative and you can lose your entire investment.