Commitments and Contingencies - Additional Information (Detail)		1 Months Ended	24 Months Ended
	Aug. 07, 2015 defendant	Aug. 31, 2012 patent defendant	Feb. 29, 2016 USD ($)
Loss Contingencies [Line Items]
Minimum revenue requirement from single customer per year | $			$ 500
Constant Contact, Inc. | McGee Vs Constant Contact
Loss Contingencies [Line Items]
Number of defendants	2
Constant Contact, Inc. | RPost Holdings
Loss Contingencies [Line Items]
Number of defendants		5
Number of patents allegedly infringed | patent		5