10% Convertible Redeemable Preferred Stock - Additional Information (Detail) (USD $)	0 Months Ended	12 Months Ended	1 Months Ended		12 Months Ended		3 Months Ended
	Nov. 10, 2014	Dec. 31, 2014	Dec. 31, 2013	Feb. 28, 2013	Dec. 31, 2013	Dec. 31, 2011	Mar. 31, 2014	Sep. 30, 2014
Temporary Equity [Line Items]
10% Convertible preferred stock, unamortized discount		$ 0	221,386		221,386
Common stock issued upon conversion Preferred Stock, shares	1,701,341
Common stock shares required to be issued if the remaining holders of Preferred Stock elect to convert		9,400,000
Stock Issued During Period, Shares, Issued for Services		357,561
Dividends, Common Stock, Cash		143,000
10% Convertible Preferred Stock
Temporary Equity [Line Items]
10% Convertible preferred stock, authorized		880,000	880,000		880,000	880,000
10% Convertible preferred stock, stated value						$ 10.00
10% Convertible preferred stock, conversion rate		$ 1.00
Warrant exercise price						$ 10
10% Convertible preferred stock, issued		682,998	694,623		694,623	759,773
10% Convertible preferred stock, gross proceeds from issuance						7,597,730
Conversion rate at issuance						2,100,000
Common stock issued upon conversion Preferred Stock, shares			75,000	39,000
Preferred Stock shares converted		11,625	7,500	3,900	11,400
Shares of stock called by warrants		58,352
Convertible Debt, Conversion Price						$ 1.00
Percentage of warrant outstanding						84.00%
10% Convertible Preferred Stock | Revised Conversion Terms One
Temporary Equity [Line Items]
Convertible Debt, Conversion Price		$ 0.80
10% Convertible Preferred Stock | Revised Conversion Terms Two
Temporary Equity [Line Items]
Convertible Debt, Conversion Price		$ 0.70
10% Convertible Preferred Stock | Revised Conversion Term Three
Temporary Equity [Line Items]
Convertible Debt, Conversion Price		$ 0.60
Preferred Stock
Temporary Equity [Line Items]
10% Convertible preferred stock, unamortized discount						828,340
Common stock shares required to be issued if the remaining holders of Preferred Stock elect to convert								607,998
Beneficial Conversion Feature
Temporary Equity [Line Items]
Amortization of preferred stock discount							$ 221,400
Common Stock [Member] | 10% Convertible Preferred Stock
Temporary Equity [Line Items]
Common stock issued upon conversion Preferred Stock, shares		116,250			114,000
Minimum
Temporary Equity [Line Items]
Minimum weighted average price of common stock for 60 consecutive trading days to convert preferred stock		$ 4.00