Quarterly report pursuant to Section 13 or 15(d)

Cover
- Cover
Financial Statements
Notes to Financial Statements
Accounting Policies
- Basis of Presentation and Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Notes Payable - Narrative (Details)

v3.21.2

Notes Payable - Narrative (Details) $ / shares in Units, $ in Millions				1 Months Ended	3 Months Ended			9 Months Ended
	Sep. 29, 2021 USD ($)	Jul. 30, 2021 USD ($)	Jun. 04, 2021 USD ($) business_day $ / shares shares	Jan. 31, 2021 USD ($) $ / shares shares	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($) $ / shares shares	Mar. 31, 2021 shares	Sep. 30, 2021 USD ($)
Line of Credit Facility [Line Items]
Sale of stock (in shares) \| shares							13,971,889
Exercise price per share (in dollars per share) \| $ / shares				$ 0.001
Proceeds from issuance of warrants				$ 4.4
Warrant
Line of Credit Facility [Line Items]
Sale of stock (in shares) \| shares				1,676,923			1,676,923
Horizon & Powerscourt Notes \| Notes Payable
Line of Credit Facility [Line Items]
Principal amount			$ 35.0		$ 35.0	$ 35.0		$ 35.0
Proceeds from debt	$ 5.0	$ 10.0	$ 20.0		$ 15.0	$ 20.0
Debt instrument, term			42 months
Interest rate			6.25%
Interest-only payment period			18 months
Interest-only payment extension period			24 months
Number of business days required for prepayment \| business_day			10
Prepayment charges percentage			3.00%
Additional final payment percentage			3.00%		3.00%			3.00%
Proceeds from issuance of warrants			$ 0.9
Debt issuance costs incurred					$ 0.0			$ 2.1
Payments of debt issuance costs					$ 1.7
Effective rate					13.50%			13.50%
Horizon & Powerscourt Notes \| Notes Payable \| Warrant
Line of Credit Facility [Line Items]
Sale of stock (in shares) \| shares			403,844			403,844
Exercise price per share (in dollars per share) \| $ / shares			$ 2.60			$ 2.60
Warrants or rights exercisable term			10 years			10 years
Horizon & Powerscourt Notes \| Notes Payable \| Prime Rate
Line of Credit Facility [Line Items]
Floor interest rate			3.25%

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