XML 12 R39.htm IDEA: XBRL DOCUMENT v2.4.0.8
Net Loss Per Share - Additional Information (Detail)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Earnings Per Share [Abstract]    
Common stock equivalents excluded from the calculation of diluted earnings per share due to decline in market price of stock 5,000 1,410,412