Financial Data and Key Metrics Changes - Revenue for Q1 2025 was 19.4million,downfrom25.1 million in Q4 2024 and 20.2millioninQ12024[5][6]−Non−GAAPgrossmarginwasnegative6.18.2 million or 0.19pershare,comparedtoalossof4.3 million or 0.10pershareinQ42024[9][10]BusinessLineDataandKeyMetricsChanges−Revenuefromindiumphosphidewas3.8 million, gallium arsenide was 6.7million,andgermaniumsubstrateswere600,000 in Q1 2025 [5] - Revenue from consolidated raw material joint ventures was 8.3million,indicatinghealthydemand[5]MarketDataandKeyMetricsChanges−Revenuedistribution:AsiaPacificregionaccountedfor8338.2 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]