Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation - Additional Information (Detail)

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Basis of Presentation - Additional Information (Detail) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Dec. 31, 2012
Organization Consolidation And Presentation Of Financial Statements [Abstract]        
Revenues generated by company $ 214,660 $ 176,407    
Net loss (1,640,884) (1,589,960)    
Cash used in operations (1,584,248) (1,580,901)    
Accumulated deficit (71,796,000)   (70,155,116)  
Gross proceeds from issuance of common stock     $ 14,900,000 $ 13,000,000