CONVERTIBLE NOTES (Additional Information) (Details)		12 Months Ended
	Aug. 25, 2021 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) D shares	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jul. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Net payment for convertible notes		$ 0	$ 0	$ 30,036,000
Loss on extinguishment of convertible notes		$ 0	$ 0	(831,000)
Reacquisition of equity component of convertible notes				12,019,000
Equity component of convertible notes, net of transaction costs				12,027,000
2021 Notes
Face amount					$ 10,000,000.0	$ 62,700,000
Debt instrument carrying amount	$ 54,650,000
Interest rate		7.50%
Loss on extinguishment of convertible notes				(831,000)
Reacquisition of equity component of convertible notes				$ 12,200,000
2024 Notes
Face amount	28,750,000
Net payment for convertible notes	25,900,000
Convertible notes exchange in cash, accrued and unpaid interest	1,100,000
Base value for conversion rate	$ 1,000
Number of shares for basis conversion | shares	563.2216
Conversion price per share | $ / shares	$ 1.7755
Percentage of Premium to Closing Price of Stock	32.50%
Interest rate	7.50%	7.50%
Mature term	3 years
Reacquisition of equity component of convertible notes		$ 12,000,000.0
Transactions costs in connection with the exchange of convertible notes		869,000
Minimum cash balance required		$ 7,500,000
Maximum price per share of the conversion feature | shares		746.2686
Aggregate principal amount		$ 20,420,000
Threshold trading days | D		20
Threshold consecutive trading days | D		30
Threshold Percentage Of Conversion Price		130.00%
Aggregate percentage of principle amount		15.00%
Amount of redemption of debt		$ 0
Percentage of outstanding capital stock		100.00%
Denomination of the principal amount of debt		$ 1,000
Redemption price, percentage		100.00%
2024 Notes | Minimum
Number of calendar days after the date of applicable fundamental change purchase date | D		20
2024 Notes | Maximum
Number of calendar days after the date of applicable fundamental change purchase date | D		35