Accrued Expenses (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Accrued hosting costs	$ 2,277	$ 1,865
Accrued contract labor costs	1,621	1,921
Accrued marketing and tradeshow expenses	647	365
Accrued audit and tax expenses	472	315
Accrued legal costs	309	422
Accrued reimbursable employee expenses	226	1,353
Accrued third party license fees	189	288
Other accrued expenses	1,566	959
Total	$ 7,307	$ 7,488