Revenue Recognition - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Standard payment terms to customers			30 days
Losses recognized on fixed-price contracts	$ 0	$ 0	$ 0	$ 0
Maintenance fee revenue recognition period			1 year
Amount of license consideration and subsequent development and training services	3,250,000		3,250,000
Edgewater Fullscope [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
License related revenue	$ 614,000	$ 354,000	$ 2,000,000	$ 354,000
Minimum [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Warranty period on fixed-price contracts			30 days
Maximum [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Warranty period on fixed-price contracts			60 days