General form of registration statement for all companies including face-amount certificate companies

Fair Value Measurement - Additional Information (Detail)

v3.21.2
Fair Value Measurement - Additional Information (Detail)
 6 Months Ended
Jun. 30, 2021
$ / shares
shares
Series C Preferred Stock [Member]  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Issuance of common stock upon exercise of warrants shares 86,129
Silicon Valley Bank [Member]  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Class of warrants or right issued during period 32,412
Exercise price of warrants or rights | $ / shares $ 1.60
Measurement Input Expected Initial Future Cash Flows Rate [Member] | Contingent Interest Embedded Derivative [Member]  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Embedded derivative liability measurement input 8.5
Measurement Input Post Merger Rate [Member] | Contingent Interest Embedded Derivative [Member]  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Embedded derivative liability measurement input 4