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Share-Based Compensation (Details Textual) (USD $)
 1 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 12 Months Ended
Sep. 30, 2012
May 31, 2010
Mar. 31, 2010
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Sep. 04, 2012
Jun. 23, 2011
May 19, 2010
Feb. 02, 2010
Nov. 16, 2009
Dec. 31, 2012
Restricted Stock [Member]
Jun. 30, 2012
Stock Compensation Plan [Member]
May 31, 2011
Stock Compensation Plan [Member]
Dec. 31, 2012
Stock Compensation Plan [Member]
Feb. 28, 2010
Stock Options [Member]
Jun. 30, 2011
Company's Director [Member]
Jun. 23, 2011
Company's Director [Member]
May 19, 2010
Company's Director [Member]
Jun. 23, 2011
Executive Officer [Member]
May 19, 2010
Executive Officer [Member]
Jun. 23, 2011
Management [Member]
May 19, 2010
Management [Member]
Sep. 30, 2012
Chief Operating Officer [Member]
Feb. 28, 2010
Chief Operating Officer [Member]
Feb. 02, 2010
Chief Operating Officer [Member]
Aug. 31, 2012
Chief Operating Officer [Member]
Restricted Stock [Member]
May 31, 2011
Chief Operating Officer [Member]
Restricted Stock [Member]
Feb. 28, 2010
Chief Operating Officer [Member]
Restricted Stock [Member]
Dec. 31, 2012
Chief Operating Officer [Member]
Restricted Stock [Member]
Aug. 23, 2012
Chief Operating Officer [Member]
Restricted Stock [Member]
Feb. 02, 2010
Chief Operating Officer [Member]
Restricted Stock [Member]
Apr. 30, 2000
Stock Grantor Trust [Member]
Apr. 03, 2000
Stock Grantor Trust [Member]
Jun. 30, 2011
Executive Officers and Management [Member]
May 31, 2010
Director Executive Officers and Management [Member]
May 19, 2011
Director Executive Officers and Management [Member]
May 19, 2010
Director Executive Officers and Management [Member]
Sep. 30, 2012
Vice President and Chief Operating Officer [Member]
Dec. 31, 2012
Maximum [Member]
Stock Options [Member]
Dec. 31, 2012
Minimum [Member]
Stock Options [Member]
Share Based Compensation (Additional Textual) [Abstract]                                                                                  
Company's common stock exercise price   150.00%                                                                              
Exercise price for the previous consecutive trading days   20 days                                                                              
Share based compensation arrangement by share based payment award options to be vested on grant date                                                 150,000                                
Share based compensation arrangement by share based payment award options to be vested on expiration of year one                                                 100,000                                
Share based compensation arrangement by share based payment award options to be vested on expiration of year two                                                 100,000                                
Expiration date of option Sep. 04, 2019                               Jun. 23, 2016               Feb. 02, 2015                   Jun. 23, 2018 May 19, 2015          
Options Vested                                                                         50.00% 50.00%      
Option expiration two year from grant date                                               250,000                                  
Option expiration one year from grant date                                               250,000                                  
Restricted stock awards, shares                       600,000                                                          
Total Company granted options to purchase of common stock                                                   350,000                              
Price of performance-based restricted common stock                                                           $ 5.61 $ 3.37 $ 5.84                  
Shares vest on each of the first anniversary of the grant date                                                       200,000                          
Shares vest on each of the second anniversary of the grant date                                                       200,000                          
Shares vest on each of the third anniversary of the grant date                                                       200,000                          
Shares of restricted Common Stock                                                     650,000   300,000                        
Percentage on first anniversary of issue date                                                     38.50%   33.00%                        
Percentage on second anniversary of issue date                                                     77.00%   66.00%                        
Shares reserved for issuance and awards under the Incentive Plan                     1,800,000       1,850,000                                                    
Percentage on third anniversary of issue date                                                     100.00%   100.00%                        
Share based compensation arrangement by share based payment award portion of options to be vested on expiration of year one of Options To Be Vested On Expiration of Year One                                                                     0.33            
Non-qualified stock option awards expire years                                                                               10 years 5 years
Shares of company common stock for funding       41,889,000 41,100,000                                                         2,900,000              
Increase in the shares reserved for grant                         3,000,000 2,400,000                                                      
Share based compensation arrangement by share based payment award portion of options to be vested on expiration of year two                                                                     0.33            
Vest and non-vested shares over service period                       3 years       2 years               2 years     3 years   3 years                     3 years 2 years
Amount delivered by SGT in exchange       $ 207,000 $ 5,000 $ 14,000                                                     $ 29,000                
Option Granted       500,000                                                                     500,000    
Option Granted               1,495,000 1,315,000                 225,000 225,000 675,000 775,000 595,000 315,000                                    
Share based compensation arrangement by share based payment award portion of options to be vested on expiration of six months                                                                     0.33            
Promissory notes received for shares issued                                                                 $ 2,300,000                
Number of Common Stock Held under Stock Grantor Trust     0                                                                            
Share Based Compensation (Textual) [Abstract]                                                                                  
Common Stock reserved for issuance and awards under the Incentive Plan                     1,800,000       1,850,000                                                    
Option Exercise Price             $ 3.51 $ 4.70 $ 4.87 $ 5.84