Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Narrative) (Details)

v2.4.0.6
Stockholders' Equity (Narrative) (Details) (USD $)
9 Months Ended 12 Months Ended 3 Months Ended 8 Months Ended 9 Months Ended 9 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Dec. 31, 2010
Sep. 30, 2012
Approximations [Member]
Sep. 30, 2011
Approximations [Member]
Sep. 01, 2012
Approximations [Member]
Sep. 30, 2012
Approximations [Member]
Sep. 30, 2011
Approximations [Member]
Sep. 30, 2012
Chief Executive Officer [Member]
Sep. 30, 2012
Issuance of 273,536 5-10 year options [Member]
Sep. 30, 2012
Issuance of 1,136,748 8-10 year options [Member]
Sep. 30, 2012
Issuance of 229,558 8-10 year options [Member]
Sep. 30, 2012
Minimum [Member]
Sep. 30, 2012
Minimum [Member]
Chief Executive Officer [Member]
Sep. 30, 2012
Minimum [Member]
Directors, Officers and Employees [Member]
Sep. 30, 2012
Maximum [Member]
Sep. 30, 2012
Maximum [Member]
Chief Executive Officer [Member]
Sep. 30, 2012
Maximum [Member]
Directors, Officers and Employees [Member]
Sep. 30, 2012
Stock Compensation Plan [Member]
Sep. 30, 2012
Maximum restricted shares granted [Member]
Sep. 30, 2012
Maximum number of shares in respect to stock options [Member]
Sep. 30, 2012
Maximum restricted shares granted to one person [Member]
Sep. 30, 2012
Restricted Stock [Member]
Dec. 31, 2011
Restricted Stock [Member]
Common Stock, Shares Authorized 500,000,000   500,000,000                                            
Common Stock, Shares, Outstanding 12,523,872   12,427,220                                            
Common stock reserved for issuance 1,524   17,120                                            
Class of Warrant or Right, Outstanding 1,034,996                                                
Number of options outstanding 1,639,842   1,674,065 1,772,348                                          
Unvested Shares                                               43,876 120,021
Issued but unvested restricted stock                                               15,290  
Total stock and stock equivalents outstanding 15,244,110                                                
Common Stock, Capital Shares Reserved for Future Issuance                                       2,500,000 1,250,000 266,667 166,667    
Number of options vested and expected to vest outstanding 1,520,793   1,345,541                                            
Stock option expense         $ 100,000 $ 200,000   $ 600,000 $ 800,000                                
Non-qualified stock options                   665,088 273,536 1,136,748 229,558                        
Contractural lives                             3 years 2 months 5 days 3 years 2 months 5 days   8 years 5 months 19 days 8 years 6 months 11 days            
Lower Limit                     $ 4.5 $ 5.42 $ 5.7                        
Upper Limit                     $ 14.4 $ 23.85 $ 19.2                        
Aggregate intrinsic value 0   0                                            
Unrecognized compensation costs 200,000   400,000                                            
Expected compensation cost         100,000     100,000                                  
Weighted average recognition period 1 year 2 months 12 days                                                
Restricted stock grants estimated forfeiture amount                           1.50%     3.20%                
Stock based compensation $ 831,063 $ 1,147,669     $ 200,000 $ 400,000 $ 800,000 $ 800,000 $ 1,100,000                                
Equity Issuance, Per Share Amount $ 2.02   $ 2.04