CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS - Schedule of Cash and Cash Equivalents and Short Term Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Amortized cost
Cash and cash equivalents	$ 5,196	$ 13,651
Fair Value, Inputs, Level 1
Amortized cost
Cash and cash equivalents	5,196
Total cash, cash equivalents and short-term investments	10,076
Gross unrealized holding gains
Total cash, cash equivalents and short-term investments	3
Gross unrealized holding losses
Total cash, cash equivalents and short-term investments	(15)
Estimated fair value
Cash and cash equivalents	5,196
Total cash, cash equivalents and short-term investments	10,064	$ 13,700
U.S. treasury notes | Fair Value, Inputs, Level 1
Amortized cost
U.S. treasury notes	4,880
Gross unrealized holding gains
Total cash, cash equivalents and short-term investments	3
Gross unrealized holding losses
Total cash, cash equivalents and short-term investments	(15)
Estimated fair value
U.S. treasury notes	$ 4,868