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Segment Information
 6 Months Ended
Jun. 30, 2026
Segment Reporting [Abstract]  
Segment Information Segment Information
We operate in two reportable segments consisting of the Laser Products segment and the Advanced Development segment. We organize our business segments based on the nature of products and services offered.
Laser Products
This segment includes the design, development, production and integration of high-power semiconductor lasers and fiber lasers and related components, modules and subsystems that are typically integrated into laser systems or manufacturing tools built by us or our customers for use in a range of commercial and defense applications. This segment also includes fiber amplifiers and beam combination and control systems for use in high-energy laser (HEL) systems in directed energy applications, and laser sensing products used in a wide range of defense applications.

Advanced Development
This segment focuses on technology integration as well as research, design, and prototyping of next-generation laser technologies for the defense industry, including the development of custom high-power fiber lasers and advanced beam combining technologies.

Segment Financial Data
Our Chief Executive Officer serves as the chief operating decision maker (CODM) and is responsible for reviewing segment performance and making decisions regarding resource allocation. Our CODM uses revenue, gross profit, and gross margin to evaluate each segment's performance by comparing the metrics to historical results and previously forecasted financial information. Segment gross profit is the primary measure of segment profit or loss, and cost of revenue is the only significant expense category, and therefore we have no other segment items. In addition, our CODM does not evaluate operating segments using asset or liability information. The following table summarizes the operating results by reportable segment for the periods presented (dollars in thousands):
Three Months Ended June 30,
20262025
Laser ProductsAdvanced DevelopmentTotalLaser ProductsAdvanced DevelopmentTotal
Revenue$59,363 $23,228 $82,591 $40,824 $20,911 $61,735 
Cost of revenue(34,167)(21,482)(24,507)(18,173)
Segment gross profit$25,196 $1,746 $26,942 $16,317 $2,738 $19,055 
Segment gross margin42.4 %7.5 %40.0 %13.1 %
Other cost of revenue1,217 598 
Gross profit25,725 18,457 
Total operating expenses(29,292)(22,693)
Interest income2,474 1,108 
Interest expense(204)(388)
Other income, net33 (58)
Income (loss) before income taxes$(1,264)$(3,574)
Six Months Ended June 30,
20262025
Laser ProductsAdvanced DevelopmentTotalLaser ProductsAdvanced DevelopmentTotal
Revenue$117,565 $45,207 $162,772 $76,502 $36,901 $113,403 
Cost of revenue(66,387)(41,876)(47,661)(32,318)
Segment gross profit$51,178 $3,331 $54,509 $28,841 $4,583 $33,424 
Segment gross margin43.5 %7.4 %37.7 %12.4 %
Other cost of revenue2,271 1,168 
Gross profit52,238 32,256 
Total operating expenses(56,524)(46,102)
Interest income4,036 2,796 
Interest expense(504)(436)
Other income, net188 (44)
Income (loss) before income taxes$(566)$(11,530)

Other cost of revenue consists of stock-based compensation expense, which is not used in evaluating the results of, or in the allocation of resources to, our reportable segments.

There have been no material changes to the geographic locations of our long-lived assets, net, based on the location of the assets, as disclosed in our Annual Report on Form 10-K for the year ended December 31, 2025.