Fair Value Measurements - Money Market Funds (Details) - USD ($) $ / shares in Units, $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents		$ 1
Liabilities:
Derivative liability	$ 1,650	4,875
Other non-current liabilities:
Total	3,229	9,813
Fair value liabilities level 2 transfer	0
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents		1
Other non-current liabilities:
Total	1,536	4,792
Level 2
Other non-current liabilities:
Total	43	146
Level 3
Other non-current liabilities:
Total	1,650	4,875
Money Market Funds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents		1
Money Market Funds [Member] | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents		1
Public Warrants
Other non-current liabilities:
Other non-current liabilities	$ 1,536	$ 4,792
Warrants, exercise price	$ 0.16	$ 0.50
Public Warrants | Level 1
Other non-current liabilities:
Other non-current liabilities	$ 1,536	$ 4,792
Private Warrants
Other non-current liabilities:
Other non-current liabilities	43	146
Private Warrants | Level 2
Other non-current liabilities:
Other non-current liabilities	43	146
Fair Value, Recurring [Member]
Liabilities:
Derivative liability current	1,650	4,875
Fair Value, Recurring [Member] | Level 3
Liabilities:
Derivative liability current	$ 1,650	$ 4,875