v3.26.1
Reportable Segments - Schedule of Reportable Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Jun. 30, 2026
Jun. 30, 2025
Sep. 30, 2025
Segment Reporting Information [Line Items]                  
Revenue $ 22,383     $ 19,557     $ 61,824 $ 59,522  
Gross profit 11,193     9,132     29,456 18,169  
Loss on sale of property, plant and equipment 78     45     78 274  
Goodwill impairment         $ 20,400   0 20,353 $ 20,353
Intangible asset impairment               2,569  
Severance expense 50     421     50 678  
Operating income (loss) 2,207     915     4,776 (30,328)  
Interest income 273     88     504 119  
Interest expense (2)     (5)     (18) (19)  
Net income (loss) 1,658 $ 1,166 $ 108 106 (31,812) $ 312 2,932 (31,394)  
Depreciation and amortization 620     594     1,861 2,167  
Identifiable Assets 156,715           156,715   92,873
Thermal Processing Solutions                  
Segment Reporting Information [Line Items]                  
Goodwill impairment         5,000   0   (4,997)
Semiconductor Fabrication Solutions                  
Segment Reporting Information [Line Items]                  
Goodwill impairment         $ 15,400   0   (15,356)
Operating Segments                  
Segment Reporting Information [Line Items]                  
Revenue 22,383     19,557     61,824 59,522  
Material 7,997     7,607     22,866 29,878  
Labor 1,455     900     4,316 6,094  
Overhead 1,738     1,918     5,186 5,381  
Gross profit 11,193     9,132     29,456 18,169  
Selling & marketing 2,482     1,711     6,809 6,358  
General & administrative 3,298     2,867     9,291 9,109  
Research & development 855     364     2,518 2,070  
Loss on sale of property, plant and equipment 78     45     78 274  
Goodwill impairment               20,353  
Intangible asset impairment               2,569  
Severance expense 50     360     50 613  
Operating income (loss) 4,430     3,785     10,710 (23,177)  
Interest income 41     50     120 63  
Interest expense (2)     (5)     (18) (19)  
Other segment items (742) [1]     (433) [2]     (2,216) [3] (463) [4]  
Non-segment items (2,069) [5]     (3,291) [6]     (5,664) [7] (7,798) [8]  
Net income (loss) 1,658     106     2,932 (31,394)  
Operating Segments | Thermal Processing Solutions                  
Segment Reporting Information [Line Items]                  
Revenue 17,745     14,208     46,460 43,467  
Material 6,495     5,946     17,441 22,127  
Labor 943     551     2,546 3,660  
Overhead 1,301     1,386     3,745 3,675  
Gross profit 9,006     6,325     22,728 14,005  
Selling & marketing 2,179     1,582     5,970 5,717  
General & administrative 1,677     1,252     4,217 3,660  
Research & development 610     277     1,912 1,678  
Loss on sale of property, plant and equipment       19       184  
Goodwill impairment               4,997  
Severance expense 19     288     19 389  
Operating income (loss) 4,521     2,907     10,610 (2,620)  
Interest income 23     28     70 38  
Interest expense (6)     (6)     (18) (17)  
Other segment items (741) [1]     (431) [2]     (2,218) [3] (457) [4]  
Net income (loss) 3,797     2,498     8,444 (3,056)  
Depreciation and amortization 263     258     779 779  
Identifiable Assets 61,191           61,191   56,019
Operating Segments | Semiconductor Fabrication Solutions                  
Segment Reporting Information [Line Items]                  
Revenue 4,638     5,349     15,364 16,055  
Material 1,502     1,661     5,425 7,751  
Labor 512     349     1,770 2,434  
Overhead 437     532     1,441 1,706  
Gross profit 2,187     2,807     6,728 4,164  
Selling & marketing 303     129     839 641  
General & administrative 1,621     1,615     5,074 5,449  
Research & development 245     87     606 392  
Loss on sale of property, plant and equipment 78     26     78 90  
Goodwill impairment               15,356  
Intangible asset impairment               2,569  
Severance expense 31     72     31 224  
Operating income (loss) (91)     878     100 (20,557)  
Interest income 18     22     50 25  
Interest expense 4     1       (2)  
Other segment items (1) [1]     (2) [2]     2 [3] (6) [4]  
Net income (loss) (70)     899     152 (20,540)  
Depreciation and amortization 335     313     1,015 1,320  
Identifiable Assets 22,829           22,829   26,040
Non-Segment Related                  
Segment Reporting Information [Line Items]                  
Depreciation and amortization [9] 22     $ 23     67 $ 68  
Identifiable Assets [10] $ 72,695           $ 72,695   $ 10,814
[1] Other segment items consists primarily of expenses related to foreign currency gain or loss and income tax provision. Thermal Processing Solutions and Semiconductor Fabrication Solutions income tax provision was $0.5 million and $1,000, respectively.
[2] Other segment items consists primarily of expenses related to foreign currency gain or loss and income tax provision. Thermal Processing Solutions and Semiconductor Fabrication Solutions income tax provision was $0.3 million and $2,000, respectively.
[3] Other segment items consists primarily of expenses related to foreign currency gain or loss and income tax provision. Thermal Processing Solutions and Semiconductor Fabrication Solutions income tax provision was $1.6 million and $2,000, respectively.
[4] Other segment items consists primarily of expenses related to foreign currency gain or loss and income tax provision. Thermal Processing Solutions and Semiconductor Fabrication Solutions income tax provision was $0.8 million and $10,000, respectively.
[5] Non-segment items consists primarily of expenses related to corporate salaries and professional services expenses, income tax, interest income and interest expense.
[6] Non-segment items consists primarily of expenses related to corporate salaries and professional services expenses, severance expenses, income tax, interest income and interest expense.
[7] Non-segment items consists primarily of expenses related to corporate salaries and professional services expenses, gain on sale of assets, income tax, interest income and interest expense.
[8] Non-segment items consists primarily of expenses related to corporate salaries and professional services expenses, severance expenses, gain on sale of assets, income tax, interest income and interest expense.
[9] Non-segment related to depreciation and amortization expense at corporate.
[10] Non-segment related assets include cash, fixed assets, and other assets