STOCK-BASED COMPENSATION - Plans (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended	12 Months Ended
	Aug. 02, 2022	May 31, 2019	Dec. 31, 2023	Jan. 01, 2024	Aug. 01, 2022
Employee Stock Option
STOCK-BASED COMPENSATION
Weighted Average Remaining Recognition Period (in years)			1 year 8 months 12 days
2019 Plan
STOCK-BASED COMPENSATION
Shares reserved (in shares)		4,530,000
New shares reserved (in shares)		1,618,841
Reserved shares available from 2016 Plan (in shares)		2,911,159
Annual increase in number of shares reserved and available for issuance (as a percent)		5.00%
Option exercise price upon option repricing (in dollars per share)	$ 1.05
Options vested upon option repricing (in Shares)	1,797,517
Options non-vested upon option repricing (in Shares)	1,380,917
Incremental stock based compensation expense	$ 1.4
Weighted Average Remaining Recognition Period (in years)	2 years 4 months 24 days
Number of shares available for future issuance			0
2019 Plan | Subsequent Event
STOCK-BASED COMPENSATION
Number of shares available for future issuance				4,243,292
2019 Plan | Minimum
STOCK-BASED COMPENSATION
Original exercise price (in dollars per share)					$ 1.22
2019 Plan | Maximum
STOCK-BASED COMPENSATION
Original exercise price (in dollars per share)					$ 49.60
2019 Plan | Employee Stock Option
STOCK-BASED COMPENSATION
Maximum number of shares authorized for issuance		13,000,000
Expiration period		10 years
Vesting period		4 years
2019 Plan | Vested stock option
STOCK-BASED COMPENSATION
Incremental stock based compensation expense	$ 0.9
2019 Plan | Non-vested stock option
STOCK-BASED COMPENSATION
Incremental stock based compensation expense	$ 0.5