Subsequent Event - Additional Information (Detail) - Thursby Software Systems, Inc. - USD ($)		12 Months Ended
	Nov. 01, 2018	Dec. 31, 2020	Dec. 31, 2019
Scenario, Forecast
Subsequent Event [Line Items]
Product revenue to be achieved to obligate earn-out consideration			$ 11,000,000
Amount of additional earn-out consideration of payable in shares of common stock			2,500,000
Minimum | Scenario, Forecast
Subsequent Event [Line Items]
Product revenue to be achieved to obligate earn-out consideration			8,000,000
Product revenue to be achieved to obligate additional earn-out consideration		$ 15,000,000
Maximum | Scenario, Forecast
Subsequent Event [Line Items]
Product revenue to be achieved to obligate earn-out consideration			15,000,000
Amount of earn-out consideration of payable in shares of common stock			7,500,000
Product revenue to be achieved to obligate additional earn-out consideration			$ 15,000,000
Subsequent Event
Subsequent Event [Line Items]
Date of acquisition completed	Nov. 01, 2018
Business combination, aggregate consideration	$ 3,100,000
Business combination, Payment of cash, net of cash acquired	600,000
Business combination, issuance of common stock	2,500,000
Business combination, issuance of common stock value held back	500,000
Amount of maximum earn-out consideration of payable for all periods in shares of common stock	$ 7,500,000