Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill [Roll Forward]
Beginning Balance	$ 41,871,000	$ 38,500,000
Ending Balance	47,396,000	41,871,000	$ 38,500,000
Goodwill, Impairment Loss	0	0	$ 0
Net Operating Loss Carryforwards not Recognized on Acquisition Date	4,900,000
Goodwill, Subsequent Recognition of Deferred Tax Asset		(1,479,000)
Gojee, Inc. [Member]
Goodwill [Roll Forward]
Goodwill, Acquisitions		500,000
Two Bright Lights, Inc.
Goodwill [Roll Forward]
Goodwill, Acquisitions		$ 4,350,000
Ending Balance	4,350,000
Gigmasters [Member]
Goodwill [Roll Forward]
Goodwill, Acquisitions	$ 5,525,000