Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2015	Sep. 16, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Summary Of Significant Accounting Policies [Line Items]
Variable interest entity			No	No	No
Maturity period of demand and money market accounts and short term investments			Three months or less
Depreciation expense			$ 429,498	$ 382,829	$ 332,576
Goodwill impairment identified			0	0	0
Intangible asset impairment			0	0	0
Fair value of assets	$ 0		0	0	0
Fair value of liabilities	$ 0		$ 0	$ 0	$ 0
Subscription contractual period			1 year
Company's share of Mobiuss revenue	100.00%	50.00%
Options settled in cash or stock			0	0	17,724
Liability for option cancellations	$ 0		$ 0	$ 0
ASU 2015-17 [Member]
Summary Of Significant Accounting Policies [Line Items]
Reduction of current deferred tax asset and an offsetting increase in non-current deferred tax asset amount			$ 3,798,000
Minimum [Member] | Furniture and Fixtures [Member]
Summary Of Significant Accounting Policies [Line Items]
Expected useful life of assets			3 years
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Subscription contractual period			48 months
Maximum [Member] | Furniture and Fixtures [Member]
Summary Of Significant Accounting Policies [Line Items]
Expected useful life of assets			10 years
Web Site Development [Member]
Summary Of Significant Accounting Policies [Line Items]
Intangible assets, amortization period			3 years
Database [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Intangible assets, amortization period			3 years
Database [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Intangible assets, amortization period			5 years
Customer Relationships [Member]
Summary Of Significant Accounting Policies [Line Items]
Intangible assets, amortization period			15 years
Lease Value [Member]
Summary Of Significant Accounting Policies [Line Items]
Remaining term of acquired office lease at the time of the Merger			9 years