DEBT - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended	15 Months Ended	24 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2021	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2025
Debt Instrument [Line Items]
Total interest expense	$ 167	$ 2,855
Notional value	36,700			$ 36,700
Fair value of debt	28,600			27,100	$ 27,100	$ 27,100
Debt Exchange Agreements
Debt Instrument [Line Items]
Less: Debt discount and issue costs				3,100	3,100	$ 3,100
Debt Exchange Agreements
Debt Instrument [Line Items]
Issuance of stock (in shares)						1,934,889
Senior Notes | Debt Exchange Agreements
Debt Instrument [Line Items]
Issuance of stock (in shares)		643,456
Debt exchanged		$ 1,800
Senior Notes Due October 2026 | Senior Notes
Debt Instrument [Line Items]
Senior notes	36,700		$ 72,200	36,700	$ 36,700	$ 36,700
Debt conversion shares issued (in shares)					1,934,889
Cash received in exchange				700	$ 2,900
Debt exchanged				1,100	1,100	1,100
Amount Financed	72,200
Gain on debt extinguishment	0			400
Less: Debt discount and issue costs	2,300
Senior Notes Due October 2026 | Senior Notes | Debt Exchange Agreements, 2024 and 2025
Debt Instrument [Line Items]
Debt exchanged				14,500	14,500	14,500
Senior Notes Due October 2026 | Senior Notes | Debt Exchange Agreements
Debt Instrument [Line Items]
Senior notes	35,200
Cash received in exchange				5,700
Debt exchanged	0			15,000	15,000	15,000
Amount Financed				5,000	5,000	5,000
Capitalized contractual interest payment	800			3,100
Senior Notes Due October 2026 | Senior Notes | Debt Exchange Agreements, Cash
Debt Instrument [Line Items]
Debt exchanged				15,000	15,000	15,000
Senior Notes Due October 2026 | Senior Notes | Debt Exchange Agreements, Notes
Debt Instrument [Line Items]
Debt exchanged				5,000	5,000	5,000
Senior Notes Due October 2026 | Senior Notes | Debt Exchange Agreements
Debt Instrument [Line Items]
Cash received in exchange						2,900
Senior Notes Due October 2026 | Senior Notes | Debt Exchange Agreements | Debt Exchange Agreements, 2024 and 2025
Debt Instrument [Line Items]
Debt exchanged				14,500	14,500	14,500
Senior Notes Due October 2026 | Senior Notes | Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Redemption percentage (as percent)			102.00%
Senior Notes Due October 2026 | Senior Notes | Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Redemption percentage (as percent)			101.00%
Senior Notes Due October 2026 | Senior Notes | Debt Instrument, Redemption, Period Three
Debt Instrument [Line Items]
Redemption percentage (as percent)			100.00%
Senior Notes Due October 2026 | Senior Notes | Debt Instrument, Redemption, Period Four
Debt Instrument [Line Items]
Redemption percentage (as percent)			100.50%
New Notes | Senior Notes
Debt Instrument [Line Items]
Senior notes	2,300			2,300	2,300	2,300
Capitalized contractual interest payment	1,000			1,000
New Notes | Senior Notes | Debt Exchange Agreements
Debt Instrument [Line Items]
Senior notes	2,300			2,300	2,300	2,300
Amount Financed				2,300	$ 2,300	$ 2,300
Capitalized contractual interest payment	$ 100			$ 1,000
New Notes | Senior Notes | Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Redemption percentage (as percent)			102.00%
New Notes | Senior Notes | Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Redemption percentage (as percent)			101.00%
New Notes | Senior Notes | Debt Instrument, Redemption, Period Three
Debt Instrument [Line Items]
Redemption percentage (as percent)			100.00%
New Notes | Senior Notes | Debt Instrument, Redemption, Period Four
Debt Instrument [Line Items]
Redemption percentage (as percent)			100.50%