Warrant Liability - Additional Information (Detail)				6 Months Ended	12 Months Ended
	May. 26, 2015 USD ($)	Jan. 01, 2015 USD ($) $ / shares shares	Jan. 01, 2014 USD ($) $ / shares shares	Jun. 30, 2015 USD ($) Warrant	Dec. 31, 2014 USD ($) $ / shares shares	Jun. 12, 2015 USD ($)	Dec. 31, 2012 USD ($)
Major Agreements [Line Items]
Warrant liability				$ 3,182,504	$ 6,370,709
Licensing fees payable				2,000,000
Conversion of stock amount				633,333
Fair value of warrants						$ 1,867,417
Convertible Note
Major Agreements [Line Items]
Fair value of warrants						$ 40,000
Series B Convertible Preferred Stock
Major Agreements [Line Items]
Licensing fees payable	$ 6,500,000
Conversion of stock amount				6,500,000
Verify Me | Warrants issued on January 1, 2014
Major Agreements [Line Items]
Fair value of warrant liability				238,447	121,209
Number of warrants issued | shares			6,349,206
Exercise price (in dollars per share) | $ / shares			$ 0.10
Agreements | Verify Me | Research and Development Expense
Major Agreements [Line Items]
Initial fair value of warrant expensed as research and development cost			$ 444,000
Agreements | Zaah Technologies
Major Agreements [Line Items]
Warrant liability							$ 2,400,000
Fair value of warrant liability				$ 1,828,662	$ 787,544
Agreements | Zaah Technologies | Post Reverse Split
Major Agreements [Line Items]
Number of warrants | Warrant				1,094,304
Patent And Technology Agreement
Major Agreements [Line Items]
Exercise price (in dollars per share) | $ / shares		$ 0.10
Additional payment for patent and technology		$ 4,500,000
Discount to market price at time of issuance		10.00%
Current share price (in dollars per share) | $ / shares		$ 0.04
Additional shares issued for patent and technology agreement (in shares) | shares		125,000,000
Number of common stock shares purchased under warrants (in shares) | shares		125,000,000
Patent And Technology Agreement | Stock Options And Warrants
Major Agreements [Line Items]
Number of warrants to be issued(in shares) | shares					250,000,000
Exercise price of warrant to be issued(in dollars per share) | $ / shares					$ 0.02
Warrant to be issued value					$ 4,892,089
Patent And Technology Agreement | Warrant | Stock Options And Warrants
Major Agreements [Line Items]
Dividend yield					0.00%
Expected volatility					229.10%
Risk free interest					1.65%
Expected warrant term					5 years