v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Summary of Revenue Generated in Product Category for Years Indicated (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
REVENUE AND DEFERRED REVENUE      
Total Revenues $ 149,157 $ 74,890 $ 71,348
Service      
REVENUE AND DEFERRED REVENUE      
Total Revenues 86,977 4,445  
Product Category | U.S. | Revenues      
REVENUE AND DEFERRED REVENUE      
Total Revenues $ 146,048 $ 72,488 $ 69,336
Percentage of Revenues 100.00% 100.00% 100.00%
Product Category | U.S. | Revenues | NeuroStar Advanced Therapy System      
REVENUE AND DEFERRED REVENUE      
Total Revenues $ 14,259 $ 15,267 $ 16,460
Percentage of Revenues 10.00% 21.00% 24.00%
Product Category | U.S. | Revenues | Treatment sessions      
REVENUE AND DEFERRED REVENUE      
Total Revenues $ 43,319 $ 50,832 $ 50,896
Percentage of Revenues 30.00% 70.00% 73.00%
Product Category | U.S. | Revenues | Clinic revenue      
REVENUE AND DEFERRED REVENUE      
Total Revenues $ 86,977 $ 4,445  
Percentage of Revenues 59.00% 6.00%  
Product Category | U.S. | Revenues | Other      
REVENUE AND DEFERRED REVENUE      
Total Revenues $ 1,493 $ 1,944 $ 1,980
Percentage of Revenues 1.00% 3.00% 3.00%
Product Category | International | Revenues      
REVENUE AND DEFERRED REVENUE      
Total Revenues $ 3,109 $ 2,402 $ 2,012
Percentage of Revenues 100.00% 100.00% 100.00%
Product Category | International | Revenues | NeuroStar Advanced Therapy System      
REVENUE AND DEFERRED REVENUE      
Total Revenues $ 1,276 $ 826 $ 629
Percentage of Revenues 41.00% 34.00% 31.00%
Product Category | International | Revenues | Treatment sessions      
REVENUE AND DEFERRED REVENUE      
Total Revenues $ 1,088 $ 613 $ 754
Percentage of Revenues 35.00% 26.00% 38.00%
Product Category | International | Revenues | Other      
REVENUE AND DEFERRED REVENUE      
Total Revenues $ 745 $ 963 $ 629
Percentage of Revenues 24.00% 40.00% 31.00%