v3.22.1

Long-term Notes and Convertible Notes - Calm Note (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 17, 2020	Aug. 25, 2020	Jun. 17, 2020	Jun. 04, 2020	Apr. 06, 2020	Mar. 19, 2020	Mar. 06, 2020	Jul. 08, 2019
Debt Instrument [Line Items]
Conversion price									$ 0.525	$ 1.68
Warrants to purchase shares of common stock	1,942,131						1,374,750
Exercise price per warrant			$ 1.70
Accretion expense			$ 1,125
Amortization expense			$ 128
Shares issued on conversion of debt	2,913,197
Calm Warrants
Debt Instrument [Line Items]
Exercise price per warrant									$ 0.0525	$ 1.68
Calm Note, net
Debt Instrument [Line Items]
Debt instrument, face amount											$ 2,500
Conversion price			$ 0.525								$ 6.00
Debt issuance costs, net											$ 1,369
Accretion expense		$ 187
Amortization expense		$ 30
Settlement of derivative liability through the issuance of Common Stock			$ 9,200
Principal amount of debt converted			2,500
Write off of deferred debt issuance cost			154
Write off of deferred debt discount cost			$ 947
Shares issued on conversion of debt			4,761,906
Loss on derivative liability			$ 8,985
Calm Note, net | Calm Warrants
Debt Instrument [Line Items]
Warrants to purchase shares of common stock											312,500
Purchase agreement
Debt Instrument [Line Items]
Warrants to purchase shares of common stock				24,509,806	11,216,932	7,614,700		481,818
Exercise price per warrant				$ 1.70	$ 3.02

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