Stockholders Equity - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended
	Jan. 31, 2014	Mar. 31, 2014	Dec. 31, 2013	Dec. 31, 2011
Stockholders Equity Note [Line Items]
Common stock, authorized		250,000,000	250,000,000
Preferred stock, authorized		2,500,000
Common stock, shares issued		31,922,419	31,168,905
10% Convertible preferred stock, issued				759,773
Common stock dividends, shares	181,531
Preferred stock, dividend rate, percentage	10.00%	10.00%
Shares issued for dividend payments	$ 183,346	$ 183,346
Stock issued during period shares interest payments	235,853
Stock issued during period value interest payments	235,853	385,269
Stock issued during period shares stock options exercised	107,461
Debt Instrument, Interest Rate, Stated Percentage	8.00%
Stock Issued During Period, Shares, Issued for Services		215,900
12% Revolving credit agreement
Stockholders Equity Note [Line Items]
Stock issued during period shares interest payments	8,522
Stock issued during period value interest payments	8,522
Stock Issued During Period, Value, Issued for Services	$ 140,894
Stock Issued During Period, Shares, Issued for Services	220,147
Line of Credit Facility, Interest Rate During Period	12.00%
10% Convertible Preferred Stock
Stockholders Equity Note [Line Items]
10% Convertible preferred stock, authorized		880,000	880,000	880,000
10% Convertible preferred stock, issued		694,623	694,623
10% Convertible preferred stock, outstanding		694,623	694,623