STARBOARD INVESTMENT - Series A Redeemable Convertible Preferred Stock Narrative (Details)		1 Months Ended	12 Months Ended			16 Months Ended
	Nov. 18, 2019 d $ / shares shares	Nov. 18, 2019 $ / shares shares	Dec. 31, 2021 USD ($) $ / shares	Dec. 31, 2020 USD ($) $ / shares	Dec. 31, 2019 USD ($)	Sep. 30, 2021 USD ($)	Oct. 31, 2021 USD ($)
Class of Warrant or Right [Line Items]
Debt Instrument, Required Minimum Amount Held In Escrow			$ 35,000,000				$ 35,000,000
Series A embedded derivative liabilities			$ 18,448,000	$ 26,728,000
Warrant
Class of Warrant or Right [Line Items]
Proceeds from issuance of preferred stock and preference stock					$ 4,800,000
Series A Preferred Stock
Class of Warrant or Right [Line Items]
Debt instrument, make-whole premium, percent			15.00%
Dividend rate			8.00%	3.00%
Series A Preferred Stock | Starboard
Class of Warrant or Right [Line Items]
New shares issued | shares		350,000
Conversion price | $ / shares	$ 3.65	$ 3.65
Percent of closing price to trigger conversion | $ / shares	$ 1.90
Consecutive trading days | d	30
Redeemable Preferred Stock
Class of Warrant or Right [Line Items]
Temporary equity, par or stated value per share | $ / shares	$ 0.001	0.001	$ 0.001	$ 0.001
Temporary equity, redemption price per share | $ / shares	$ 100	$ 100	$ 100	$ 100
Series A warrants | Starboard
Class of Warrant or Right [Line Items]
Number of shares purchased by warrant | shares	5,000,000	5,000,000
Conversion price | $ / shares	$ 3.65	$ 3.65
Series A Redeemable Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Dividends payable, current			$ 0
Proceeds from Issuance of Redeemable Preferred Stock						$ 35,000,000
Payments of stock issuance costs						$ 1,300,000
Proceeds from issuance of preferred stock and preference stock					8,900,000
Accretion expense			3,800,000	$ 2,800,000
Series A embedded derivative liabilities			18,400,000	$ 26,700,000
Series A Redeemable Convertible Preferred Stock | Minimum
Class of Warrant or Right [Line Items]
Principal amount outstanding			$ 50,000,000
Embedded Derivative
Class of Warrant or Right [Line Items]
Proceeds from issuance of preferred stock and preference stock					$ 21,200,000