Related Party Transactions (Details) $ / shares in Units, $ in Thousands						6 Months Ended	12 Months Ended
	May 12, 2021 USD ($) $ / shares shares	Apr. 20, 2021 USD ($)	Mar. 24, 2021 USD ($)	Nov. 06, 2020 USD ($) $ / shares shares	Dec. 24, 2019 USD ($) $ / shares shares	Jun. 30, 2020 USD ($) shares	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Mar. 26, 2021 ft²
Related Party Transaction [Line Items]
Proceeds from related party promissory notes							$ 110,000	$ 0
Imputed interest expense on promissory note payable to a related party							103
Additional Paid-In Capital
Related Party Transaction [Line Items]
Imputed interest expense on promissory note payable to a related party							103
Chief Executive Officer | Initial Purchase Agreement
Related Party Transaction [Line Items]
Proceeds from related party promissory notes			$ 55,000
Notes payable			$ 55,000
Notes payable, estimated interest rate			2.40%
Notes payable, maturity triggering event, public offering proceeds threshold			$ 55,000
Notes payable, maximum term			13 months
Chief Executive Officer | Initial Purchase Agreement | Additional Paid-In Capital
Related Party Transaction [Line Items]
Imputed interest expense on promissory note payable to a related party							103
Chief Executive Officer | Initial Purchase Agreement | 10 year US Treasury rate
Related Party Transaction [Line Items]
Notes payable, basis spread on variable rate			150.00%
Chief Executive Officer | Second Purchase Agreement
Related Party Transaction [Line Items]
Proceeds from related party promissory notes		$ 55,000
Notes payable		$ 55,000
Notes payable, estimated interest rate		2.40%
Chief Executive Officer | Second Purchase Agreement | 10 year US Treasury rate
Related Party Transaction [Line Items]
Notes payable, basis spread on variable rate		150.00%
Beneficial owner | Assignment Agreement
Related Party Transaction [Line Items]
Warrants vested (in shares) | shares						489,815
Affiliated entity
Related Party Transaction [Line Items]
Area of premises subleased | ft²									4,500
Payments to related party							$ 556
Affiliated entity | Consulting Agreement
Related Party Transaction [Line Items]
Number of common stock shares into which warrants may be converted (in shares) | shares					3,358,732
Exercise price of warrants (in dollars per share) | $ / shares					$ 1.44
Monthly expense from related party					$ 75
Warrants quarterly vesting period					3 years
Affiliated entity | Consultancy fees
Related Party Transaction [Line Items]
Expenses from related party transactions						$ 470
Affiliated entity | Warrant vesting expense
Related Party Transaction [Line Items]
Expenses from related party transactions						$ 512
Director | Assignment Agreement
Related Party Transaction [Line Items]
Warrants vested (in shares) | shares						69,972
Private placement
Related Party Transaction [Line Items]
Consideration received on sale of stock				$ 50,000	$ 50,000
Shares issued (in shares) | shares				14,970,060	35,075,690
Sale of stock price (in dollars per share) | $ / shares				$ 3.34	$ 1.43
Number of common stock shares into which warrants may be converted (in shares) | shares					5,261,350
Exercise price of warrants (in dollars per share) | $ / shares					$ 1.58
Private placement | Chief Executive Officer
Related Party Transaction [Line Items]
Sale of stock price (in dollars per share) | $ / shares					$ 1.43
Number of shares of common stock subscribed (in shares) | shares				14,071,856	33,231,410
Number of common stock shares into which warrants may be converted (in shares) | shares					4,984,711
Private placement | Former Chief Executive Officer
Related Party Transaction [Line Items]
Sale of stock price (in dollars per share) | $ / shares					$ 1.43
Number of shares of common stock subscribed (in shares) | shares					90,495
Number of common stock shares into which warrants may be converted (in shares) | shares					13,574
Private placement | Beneficial owner
Related Party Transaction [Line Items]
Number of shares of common stock subscribed (in shares) | shares				149,701
Rights Offering
Related Party Transaction [Line Items]
Consideration received on sale of stock	$ 75,000
Shares issued (in shares) | shares	14,312,976
Sale of stock price (in dollars per share) | $ / shares	$ 5.24
Rights Offering | Chief Executive Officer
Related Party Transaction [Line Items]
Shares issued (in shares) | shares	11,365,921
Sale of stock price (in dollars per share) | $ / shares	$ 5.24
Rights Offering | Chief Operations Officer
Related Party Transaction [Line Items]
Shares issued (in shares) | shares	389,977
Sale of stock price (in dollars per share) | $ / shares	$ 5.24