Share - based Compensation - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended	9 Months Ended	1 Months Ended	9 Months Ended				1 Months Ended	3 Months Ended	9 Months Ended	1 Months Ended	9 Months Ended
	Jun. 30, 2014	Sep. 30, 2014	Sep. 30, 2014	Jun. 30, 2014 Tender Offer	Sep. 30, 2014 Stock Option	Mar. 31, 2014 Maximum Stock Option	Dec. 31, 2013 Maximum Stock Option	Mar. 31, 2014 Minimum Stock Option	Jun. 30, 2014 Warrant	Sep. 30, 2014 Warrant	Sep. 30, 2014 Warrant	Jun. 30, 2014 Warrant Tender Offer	Sep. 30, 2014 Convertible Promissory Notes Warrants	Sep. 30, 2014 Convertible Debenture Bonus Warrants	Sep. 30, 2014 Consultant Warrants	Sep. 30, 2014 Convertible Preferred Stock Warrants
Share-Based Compensation [Line Items]
Fair value of warrants for 8% convertible promissory notes													$ 391,400		$ 84,700
Change in fair value of derivative										14,900	14,900
Granted during the period					$ 0.54
Other general and administrative expense					102,500
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period			1,216,147		175,000									133,336		580,000
Dividend yield					0.00%				0.00%				0.00%		0.00%
Expected volatility rate					90.00%						90.00%		45.00%		90.00%
Risk-free interest rate					1.50%						0.80%		0.20%		0.80%
Common Stock Capital Shares Reserved For Future Issuance						7,000,000	2,000,000	2,000,000
Share-based Compensation, Expense		48,000	394,400
Warrants To Purchase Shares Of Common Stock	46,200,000
Tendered Shares Exchanged During Period Shares	35,500,000
Tendered Shares Exchanged During Period Value	$ 24,800,000			$ 4,900,000
Common Stock, Par or Stated Value Per Share									$ 10
Stock Issued During Period, Shares, New Issues									14.17707			47,700,000
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term					5 years								1 year 6 months		3 years
Share based compensation arrangement by share based payment award, Fair value assumptions, Expected term description											less than one year
Class Of Warrant Or Right, Number Of Securities Called By Warrants Or Rights													7,275,901		160,000
Warrant exercise price													$ 0.60		$ 1.20