Income Taxes - Components of Net Deferred Taxes (Detail) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Net operating loss	$ 5,670,000	$ 5,938,000
Amortization	3,761,000
Stock-based compensation	3,215,000	2,702,000
Capitalized software costs	(612,000)
Accrued interest expense	9,000	155,000
Allowance for doubtful accounts	229,000	224,000
Deferred lease liability	41,000	89,000
Total deferred tax assets (liabilities), net	12,313,000	9,108,000
Less: valuation allowance	$ (12,313,000)	$ (9,108,000)