The Company - Additional Information (Detail) $ in Millions		1 Months Ended
	Jan. 28, 2020	Nov. 30, 2016 USD ($)	Dec. 31, 2019 Patents
Number of patents generated | Patents			100
Research and development program award from U.S. Department of energy (DOE) | $		$ 4.5
Subsequent Event [Member]
Percentage of Cost Reduction Employee Workforce	70.00%