Deferred Income Tax Assets and Liabilities (Detail) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Deferred tax assets:
Amortization of software intangibles	$ 1,493,102	$ 2,494,223
Stock-based compensation	1,270,998	1,410,975
State net operating loss carryforwards	401,591	483,794
Amortization of internal use software development costs	1,231,729	1,055,733
Accrued vacation	576,187	690,095
Deferred rent	274,857	310,633
Allowance for doubtful accounts	236,494	206,452
Other	194,556	152,366
Deferred Tax Assets, Gross, Total	5,679,514	6,804,271
Less: Valuation allowance	(291,249)	(422,564)
Total	5,388,265	6,381,707
Deferred tax liabilities:
Depreciation & capitalized internal use software and development costs	(5,410,640)	(4,113,178)
Nonrecurring gain on acquisition of business	(1,140,886)	(1,186,207)
Other		(83,285)
Total	(6,551,526)	(5,382,670)
Net deferred tax asset (liability)	$ (1,163,261)	$ 999,037