CUSTOMER AND GEOGRAPHIC INFORMATION - Revenues by Geographic Area (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 179,465	$ 165,835	$ 148,549
Geographic Concentration Risk | Revenue Benchmark
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 179,465	$ 165,835	$ 148,549
Percentage of Revenues	100.00%	100.00%	100.00%
Geographic Concentration Risk | Revenue Benchmark | United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 74,341	$ 92,798	$ 73,625
Percentage of Revenues	41.00%	56.00%	50.00%
Geographic Concentration Risk | Revenue Benchmark | Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 37,427	$ 10,465	$ 13,916
Percentage of Revenues	21.00%	6.00%	9.00%
Geographic Concentration Risk | Revenue Benchmark | China
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 22,102	$ 26,488	$ 24,494
Percentage of Revenues	12.00%	16.00%	16.00%
Geographic Concentration Risk | Revenue Benchmark | Taiwan
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 9,257	$ 9,339	$ 7,995
Percentage of Revenues	5.00%	6.00%	6.00%
Geographic Concentration Risk | Revenue Benchmark | Rest of the World
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 36,338	$ 26,745	$ 28,519
Percentage of Revenues	21.00%	16.00%	19.00%