Stock Option Plans (Assumptions Used To Compute The Fair Value Of Stock Options) (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Assumptions for Pricing Model:
Expected term in years		10 years
Volatility		128.80%
Risk-free interest rate		2.81%
Value of options granted:
Number of options granted	548,000	45,000
Weighted average fair value/share	$ 2.63	$ 2.00
Fair value of options granted	$ 1,241,904	$ 81,884
Minimum [Member]
Assumptions for Pricing Model:
Expected term in years	5 years 7 months 6 days
Volatility	118.60%
Risk-free interest rate	1.70%
Maximum [Member]
Assumptions for Pricing Model:
Expected term in years	10 years
Volatility	119.70%
Risk-free interest rate	2.42%