STARBOARD INVESTMENT - Series A Redeemable Convertible Preferred Stock Narrative (Details)		1 Months Ended	3 Months Ended		12 Months Ended
	Nov. 18, 2019 d $ / shares shares	Oct. 31, 2021 USD ($)	Mar. 31, 2022 USD ($) director $ / shares	Mar. 31, 2021 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2021 USD ($) director $ / shares
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			$ 14,506,000			$ 18,448,000
Number of board of directors | director			7			6
Number of additional directors | director			2
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%
Preferred stock, dividend rate, potential increase, percentage			7.00%
Preferred stock, dividend rate, percent of stated value			10.00%
Preferred stock, dividend rate, percentage, accrual percentage			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
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
Temporary equity, redemption price per share | $ / shares	$ 100		$ 100			$ 100
Series A warrants | Starboard
Class of Warrant or Right [Line Items]
Number of shares purchased by warrant | shares	5,000,000
Conversion price | $ / shares	$ 3.65
Warrant
Class of Warrant or Right [Line Items]
Proceeds from issuance of preferred stock and preference stock					$ 4,800,000
Series A Redeemable Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Dividends payable, current			$ 0			$ 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			1,200,000	$ 853,000
Series A embedded derivative liabilities			14,500,000			$ 18,400,000
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