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Promissory Notes - Narrative (Details)						3 Months Ended				12 Months Ended
Promissory Notes - Narrative (Details)	Oct. 25, 2021 USD ($) $ / shares	Nov. 10, 2020 installment	May 13, 2020 USD ($) installment	May 01, 2020 USD ($) installment	Apr. 10, 2020 USD ($)	Mar. 31, 2022 USD ($) instrument	Dec. 31, 2021 USD ($) shares	Mar. 31, 2021 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2021 USD ($) shares	Mar. 31, 2020 lease
Debt Instrument [Line Items]
Weighted average interest rate						4.00%	4.00%			4.00%
Principal						$ 57,788,000	$ 57,811,000			$ 57,811,000
Interest rate in event of default						18.00%
Shares issued upon conversion of debt (in shares) \| shares										45,900,000
Unpaid consideration						$ 0		$ 220,000,000
Outstanding balance						64,171,000	58,121,000			$ 58,121,000
Payable due beyond one year						1,850,000	$ 0			0
Operating lease liability						18,501,000
Terminated and Vacated Lease
Debt Instrument [Line Items]
Number of leases \| lease											1
Convertible Debenture \| Convertible Debt \| YA II PN, Ltd
Debt Instrument [Line Items]
Principal	$ 75,000,000
Proceeds from notes payable	$ 75,000,000
Interest rate	4.00%
Interest rate in event of default	18.00%
Debt instrument, convertible, conversion price (in dollars per share) \| $ / shares	$ 1.88
Redemption of unpaid principal	$ 8,300,000
Converted instrument amount										17,500,000
Convertible Debenture Due October 2022 - YA II PN
Debt Instrument [Line Items]
Converted instrument amount										17,600,000
Shares issued upon conversion of debt (in shares) \| shares							9,400,000
Interest expense						600,000
Small Business Association Paycheck Protection Program
Debt Instrument [Line Items]
Principal						288,000	$ 311,000			311,000
Outstanding balance						$ 288,000	312,000			312,000
Interest rate						1.00%
Small Business Association Paycheck Protection Program \| Unsecured Debt
Debt Instrument [Line Items]
Interest rate					1.00%
Interest expense						$ 568,000,000		832
Unpaid consideration					$ 300,000
Debt instruments, number of installments \| installment		18
Debt instrument, installment payable					$ 18,993
Repayments of debt						$ (24,152)				(31,674)
Energica lending arrangements
Debt Instrument [Line Items]
Weighted average interest rate						1.30%
Principal						$ 0	0			0
Number of instruments \| instrument						11
Outstanding balance						$ 5,507,000	$ 0			$ 0
Payable due within one year						4,200,000
Payable due beyond one year						$ 1,300,000
Energica lending arrangements \| Minimum
Debt Instrument [Line Items]
Interest rate						0.05%
Installment period						8 months
Energica lending arrangements \| Maximum
Debt Instrument [Line Items]
Interest rate						4.50%
Installment period						45 months
DBOT \| Vendor Notes Payable
Debt Instrument [Line Items]
Interest rate			0.25%						4.00%
Interest expense									$ 100,000
Debt instruments, number of installments \| installment			2
Debt instrument, installment payable			$ 30,000
Initial executed an unsecured promissory note			30,000
Unsecured promissory note			$ 60,000
Operating lease liability									$ 900,000
Grapevine Logic, Inc. ("Grapevine") \| Small Business Association Paycheck Protection Program \| Unsecured Debt
Debt Instrument [Line Items]
Interest rate				1.00%
Interest expense						$ 1		$ 306
Unpaid consideration				$ 100,000
Debt instruments, number of installments \| installment				18
Debt instrument, installment payable				$ 7,000