Stock Compensation - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended		138 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash stock-based compensation expense	$ 44,888	$ 45,090	$ 86,640	$ 90,180	$ 6,048,840
Proceeds from exercise of options			23,500		23,500
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option contractual term	5 years		5 years
Stock options granted pursuant to written agreements to date	40,000		115,000
Non-cash stock-based compensation expense	44,888	45,090	86,640	90,180
Stock option vested during the period	0	0	0	0
Number of stock options exercised	50,000			195,000
Proceeds from exercise of options	23,500
Shares issued for cashless option exercise				40,100
Unrecognized compensation expense related to non-vested stock option awards granted under the Plan	$ 200,000		$ 200,000		$ 200,000
Expected remaining weighted average vesting period			1 year 6 months 29 days