Quarterly report pursuant to Section 13 or 15(d)

Lease Obligations (Details Textual)

v2.4.0.6
Lease Obligations (Details Textual)
9 Months Ended
Sep. 30, 2012
Lease obligations (Textual) [Abstract]  
Lease expiration year, Minimum 2014
Lease expiration year, Maximum 2019
Percentage of increase in annual base rent, Minimum 3.00%
Percentage of increase in annual base rent, Maximum 3.50%