XML 19 R53.htm IDEA: XBRL DOCUMENT v2.4.0.8
Notes Payable Convertible Debt Issued in 2004 (Details) (USD $)
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Debt Instrument [Line Items]    
Repayments of Notes Payable $ 28,243,000 $ 0
Convertible Debt Issued in 2004 [Member]
   
Debt Instrument [Line Items]    
Repayments of Long-term Debt 25,800,000  
Repayments of Notes Payable $ 2,500,000