Quarterly report pursuant to Section 13 or 15(d)

Other Operating Income, Net - Additional Information (Detail)

v3.21.2
Other Operating Income, Net - Additional Information (Detail) - Other Operating Income, Net [Member]
$ in Thousands
Sep. 30, 2021
USD ($)
Barber-Nichols, Inc. [Member]  
Other Operating Income Net [Line Items]  
Change in fair value of contingent liability $ 1,900
Transaction Agreement [Member]  
Other Operating Income Net [Line Items]  
Accrued compensation $ 798