Financial Data and Key Metrics Changes - Revenue for Q3 2025 was $28.0 million, up from $18.0 million in Q2 2025 and $23.6 million in Q3 2024, representing a 56% sequential growth and 18% year-over-year growth [5][12] - Non-GAAP gross margin improved to 22.4% in Q3 2025, compared to 8.2% in Q2 2025 and 24.3% in Q3 2024 [6][9] - Non-GAAP operating loss improved to $0.384 million in Q3 2025 from $6.1 million in Q2 2025 and $2.6 million in Q3 2024 [8][9] - Non-GAAP net loss was $1.2 million, or $0.03 per share, compared to a loss of $6.4 million, or $0.15 per share, in Q2 2025 [9][10] Business Line Data and Key Metrics Changes - Indium Phosphide revenue reached $13.1 million, primarily driven by data center and passive optical network applications [5][12] - Gallium Arsenide revenue was $7.5 million, while Germanium substrates generated $0.64 million [5] - Revenue from consolidated raw material joint ventures was $6.7 million, consistent with the prior quarter [5][18] Market Data and Key Metrics Changes - Revenue from Asia-Pacific accounted for 87%, Europe for 12%, and North America for 1% in Q3 2025 [5] - Indium Phosphide order backlog exceeded $49 million, indicating strong demand from data center applications globally [12][20] Company Strategy and Development Direction - The company is focused on increasing manufacturing capacity and efficiency to meet growing demand, particularly for Indium Phosphide substrates [16][19] - Plans to list subsidiary Tongmei on the STAR Market in Shanghai are ongoing, with the IPO application kept current despite a selective listing environment [10] - The company aims to drive gross margin improvement and operational efficiency while managing export permit processes effectively [19][24] Management's Comments on Operating Environment and Future Outlook - Management noted a strong uptick in Indium Phosphide demand due to AI infrastructure buildout and data center expansions [12][16] - The geopolitical environment is dynamic, affecting export permit processes, which remain a significant gating factor for growth [20][21] - The company expects revenue in Q4 2025 to be in the range of $27 to $30 million, contingent on the timing of export permits [22][24] Other Important Information - Cash and cash equivalents decreased by $3.9 million to $31.2 million as of September 30, 2025, with accounts receivable increasing by $11 million [9][10] - The company is actively engaging with new Tier 1 customers to qualify materials into their supply chains [14][16] Q&A Session Summary Question: Customer behavior regarding longer-term orders and permits - Management explained that the $49 million backlog includes orders from customers with existing permits and those still in the permit phase, indicating confidence in future permit approvals [27][28] Question: Profitability and cost structure changes - Management acknowledged that improving gross margins is essential, focusing on product mix and manufacturing efficiencies to return to previous profitability levels [37][39] Question: Indium Phosphide demand from domestic vs. overseas customers - Approximately 40% of Indium Phosphide business is from domestic Chinese customers, with significant demand driven by AI data center growth in the U.S. [40][42] Question: Capacity and backlog dynamics - The backlog has more than doubled compared to the previous quarter, with customers placing orders for immediate shipment upon receiving permits [46][47] Question: Competitor capacity increases and shipping capabilities - Management reiterated that the ability to ship is contingent on obtaining export permits, which currently take about 60 business days to process [87][88]

Financial Data and Key Metrics Changes - Revenue for Q1 2025 was $19.4 million, down from $25.1 million in Q4 2024 and $20.2 million in Q1 2024 [5][6] - Non-GAAP gross margin was negative 6.1% in Q1 2025, compared to 17.9% in Q4 2024 and 27.3% in Q1 2024 [6][9] - Non-GAAP net loss for Q1 2025 was $8.2 million or $0.19 per share, compared to a loss of $4.3 million or $0.10 per share in Q4 2024 [9][10] Business Line Data and Key Metrics Changes - Revenue from indium phosphide was $3.8 million, gallium arsenide was $6.7 million, and germanium substrates were $600,000 in Q1 2025 [5] - Revenue from consolidated raw material joint ventures was $8.3 million, indicating healthy demand [5] Market Data and Key Metrics Changes - Revenue distribution: Asia Pacific region accounted for 83%, Europe 11%, and North America 6% in Q1 2025 [5] - The Chinese data center optical interconnect market is estimated to be one-third of the global market, with increasing sales of indium phosphide within China [16] Company Strategy and Development Direction - The company is focusing on optimizing growth opportunities in China, particularly in high-speed data center connectivity and sensors for autonomous driving [25] - Plans to improve gross margins through a more measured approach to production and addressing yield issues [21][27] Management's Comments on Operating Environment and Future Outlook - Management acknowledged the challenges posed by geopolitical factors and trade restrictions but expressed optimism about future growth opportunities in the Chinese market [15][25] - Expected healthy double-digit growth for revenue from data center applications in China in Q2 2025 [17] Other Important Information - The company is preparing for an IPO of its subsidiary in China, Tongmei, on the STAR Market [11] - Cash and cash equivalents increased to $38.2 million as of March 31, 2025, from $33.8 million at the end of 2024 [10] Q&A Session Summary Question: Yield issues for semi-insulating gallium arsenide - Management acknowledged yield problems due to aggressive market penetration but believes solutions are in place for recovery [30][32] Question: Timeline for resolving yield issues - Management indicated that while the product is established, changes in customer specifications require careful recalibration, which may take time [36][38] Question: Indium phosphide permitting process - Management expressed confidence in obtaining permits by mid-June, allowing for backlog shipments [41][46] Question: Risk of losing customers due to shipping delays - Management believes they hold a significant market share and that customers are willing to wait for shipments [55][60] Question: Impact of tariffs on gross margin - Management noted that tariffs are a concern but not a significant factor affecting gross margins at this time [72][78]