Commitments and Contingencies - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2020	Feb. 28, 2021
Loss Contingencies [Line Items]
Pending or threatened legal proceedings	$ 0
Percentage of contingent cash payment with remainder on future milestone payments	7.50%
Contingent Payable	$ 300,000
3D Medicines [Member]
Loss Contingencies [Line Items]
Contingent payable gross	700,000
Contingent paid amount	$ 400,000
3D Medicines [Member] | Subsequent Event [Member]
Loss Contingencies [Line Items]
Contingent payable pending amount		$ 300,000
Minimum [Member]
Loss Contingencies [Line Items]
Proceeds from future licensing transaction percentage	10.00%