Accrued Expenses (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Accrued contract labor costs	$ 1,984	$ 1,921
Accrued hosting costs	1,177	1,865
Accrued reimbursable employee expenses	969	1,353
Accrued legal costs	288	422
Accrued marketing and tradeshow expenses	730	365
Accrued audit and tax expenses	754	315
Accrued third party license fees	244	288
Other accrued expenses	1,390	959
Total	$ 7,536	$ 7,488