Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Jun. 30, 2013 Clients		Jun. 30, 2012 Clients	Jun. 30, 2011
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Number of clients accounted for 10% or more of net accounts receivable		0		0
Percentage of net accounts receivable from major clients		10.00%		10.00%
U.S municipal securities and certificates of deposits maturity period		90 days
Maximum period for classifying as cash and cash equivalents		3 months
Costs incurred in development phase are capitalized and amortized period		6 months
Software capitalized amount		$ 2,500,000		$ 1,900,000	$ 1,800,000
Impairment charges recorded	92,400,000	92,350,000	[1]
Advertising costs		$ 0		$ 200,000	$ 200,000
Software Development [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Estimated useful lives of the assets		2 years
DSS [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Percentage of revenue		1.00%		1.00%	1.00%
DMS [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Percentage of revenue		99.00%		99.00%	99.00%

[1] Cost of revenue and operating expenses include stock-based compensation expense as follows: Cost of revenue $ 3,930 $ 4,293 $ 4,506 Product development 2,765 2,570 2,705 Sales and marketing 3,264 3,096 3,747 General and administrative 2,057 3,037 2,992