Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details Textual)

v2.4.0.8
Commitments and Contingencies (Details Textual) (USD $)
0 Months Ended 1 Months Ended
Dec. 09, 2010
lender
Mar. 31, 2012
Sep. 30, 2013
Jun. 30, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Dec. 31, 2011
Sep. 30, 2013
South Edge guarantee [Member]
Jun. 06, 2011
South Edge guarantee [Member]
Oct. 26, 2011
South Edge [Member]
JointVenture
Sep. 30, 2013
Summary Judgment Excluding Interest [Member] [Member]
Sep. 30, 2013
Summary Judgment Including Interest [Member] [Member]
Sep. 30, 2013
Summary Judgment Interest [Member]
Loss Contingencies [Line Items]                            
Reserved for litigation and asserted claims     $ 16,807,000   $ 16,067,000                  
Joint venture ownership percentage                 3.53%          
Springing Repayment Guarantee_Original demand Letter                   13,200,000        
Number of co-ventures in joint venture                     4      
Litigation Judgment Amount                       15,053,857 15,753,344 699,487
Supersedeas Bond     16,050,604                      
Commitments and Contingencies (Textual) [Abstract]                            
Warranty reserve     22,257,000 21,844,000 22,064,000 22,973,000 21,243,000 23,136,000            
Number of lenders filing petition for involuntary bankruptcy 3                          
Amount requested in demand for arbitration related to alleged breaches   13,500,000                        
Additional amount requested in demand for arbitration related to pro rata future infrastructure improvement costs subsequently dismissed           $ 9,800,000