XML 80 R55.htm IDEA: XBRL DOCUMENT v2.4.0.8
Convertible Notes, Long-Term Debt and Credit Facility - Additional Disclosures (Details) (USD $)
0 Months Ended 1 Months Ended
Jan. 22, 2013
Jun. 30, 2012
Nov. 30, 2011
Jun. 30, 2013
Dec. 31, 2012
Feb. 11, 2008
Debt Disclosure [Abstract]            
Share lending agreement, number of common stock shares loaned       3,800,000   3,800,000
Own share lending arrangement nominal loan fee per share           $ 0.0001
Share lending agreement, fair value           $ 500,000
Return of borrowed shares, in shares 2,439,558 659,340 701,102      
Capital lease obligations       $ 1,799,000 $ 1,784,000