SIGNIFICANT ACCOUNTING POLICIES - Convertible notes (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Significant Accounting Policies [Line Items]
Convertible notes	$ 20,420	$ 20,251
Additional paid in capital		415,045
Accumulated deficit		381,549
ASU 2020-06 | Cumulative Effect, Period of Adoption, Adjusted Balance
Significant Accounting Policies [Line Items]
Convertible notes		20,420
Additional paid in capital		414,652
Accumulated deficit		381,325
ASU 2020-06 | Effect of Change
Significant Accounting Policies [Line Items]
Convertible notes		169
Additional paid in capital		(393)
Accumulated deficit		$ 224