XML 18 R46.htm IDEA: XBRL DOCUMENT v2.4.0.8
Subsequent Events (Details) (USD $)
1 Months Ended 12 Months Ended 0 Months Ended 2 Months Ended
May 31, 2012
Jul. 31, 2011
Jun. 30, 2009
Dec. 31, 2008
Dec. 31, 2013
Dec. 31, 2012
Feb. 24, 2014
Minimum [Member]
Feb. 24, 2014
Maximum [Member]
Feb. 28, 2013
Subsequent Event [Member]
Sales Agreement [Member]
Mar. 11, 2013
Subsequent Event [Member]
Sales Agreement [Member]
Subsequent Event [Line Items]                    
Common stock sold through the program (in shares) 15,300,000 5,000,000 900,000 3,900,000         16,000,000  
Proceeds from issuance of common stock   $ 23,500,000             $ 4,400,000  
Remaining value of common stock         $ 1,343,000 $ 768,000       $ 40,400,000
Reverse stock split ratio             0.0625 0.125