CUSTOMER AND GEOGRAPHIC INFORMATION - Revenues by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 46,409	$ 42,350	$ 129,380	$ 124,710
Geographic Concentration Risk | Revenue Benchmark
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 46,409	$ 42,350	$ 129,380	$ 124,710
Percentage of Revenues	100.00%	100.00%	100.00%	100.00%
Geographic Concentration Risk | Revenue Benchmark | United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 21,065	$ 24,477	$ 58,021	$ 70,090
Percentage of Revenues	45.00%	58.00%	45.00%	56.00%
Geographic Concentration Risk | Revenue Benchmark | China
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 5,673	$ 7,549	$ 17,526	$ 21,927
Percentage of Revenues	12.00%	18.00%	14.00%	18.00%
Geographic Concentration Risk | Revenue Benchmark | Taiwan
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 6,273	$ 1,296	$ 8,107	$ 4,660
Percentage of Revenues	14.00%	3.00%	6.00%	4.00%
Geographic Concentration Risk | Revenue Benchmark | JAPAN
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 6,275	$ 3,135	$ 25,495	$ 8,005
Percentage of Revenues	14.00%	7.00%	20.00%	6.00%
Geographic Concentration Risk | Revenue Benchmark | Rest of the World
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 7,123	$ 5,893	$ 20,231	$ 20,028
Percentage of Revenues	15.00%	14.00%	15.00%	16.00%