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Debt (Details Textual) (USD $)
 1 Months Ended 3 Months Ended 9 Months Ended 1 Months Ended 1 Months Ended 6 Months Ended 9 Months Ended 9 Months Ended
Jun. 30, 2012
Securities pledged as collateral [Member]
Mar. 31, 2010
Oxford Growth Capital Facility [Member]
Sep. 30, 2011
Oxford Growth Capital Facility [Member]
Sep. 30, 2012
Oxford Growth Capital Facility [Member]
Sep. 30, 2011
Oxford Growth Capital Facility [Member]
Sep. 30, 2012
Comerica - Growth Capital Facility [Member]
Jun. 30, 2012
Comerica - Growth Capital Facility [Member]
Sep. 30, 2011
Comerica - Growth Capital Facility [Member]
Growth Capital Loan [Member]
Jun. 30, 2012
Comerica - Growth Capital Facility [Member]
Growth Capital Loan [Member]
Sep. 30, 2011
Comerica - Growth Capital Facility [Member]
Revolving Line of Credit [Member]
Jun. 30, 2012
Comerica - Growth Capital Facility [Member]
Revolving Line of Credit [Member]
Sep. 30, 2012
Comerica - Growth Capital Facility [Member]
Revolving Line of Credit [Member]
Dec. 31, 2011
Comerica - Growth Capital Facility [Member]
Revolving Line of Credit [Member]
Sep. 30, 2012
Compliance with Covenants [Member]
Debt (Textual) [Abstract]                            
Amended Credit Agreement             $ 12,000,000   $ 5,000,000   $ 7,000,000      
Percentage of investments made in subsidiary 35.00%                          
Growth capital loan from amended Credit Agreement               5,000,000            
Principal and interest payments   Interest-only payments due for the first nine months and then equal principal and interest payments for an additional 30 months           Growth Capital Loan, which matures on September 30, 2015, bears a fixed interest rate of 6.37%, with interest-only payments due for the first twelve months, followed by equal principal and interest payments for the remaining 36 months       The Company is required to repay the principal drawn from the RLOC at the end of the RLOC term on June 30, 2014, or earlier if a portion or all of the outstanding RLOC exceeds the amount available under the RLOC. The RLOC bears a floating rate based on the lender’s prime rate plus 1.50%, with interest–only payments due each month.    
Maturity period               Sep. 30, 2015       Jun. 30, 2014    
Fixed interest rate   12.04%           6.37%            
Commitment fee               40,000   20,000 20,000      
Loan fees               50,000            
Effective interest rate               7.07%            
Final payment fee percentage               1.00%            
Amount under RLOC available to the Company                       80.00%    
Outstanding amounts                       3,300,000 2,300,000  
Lender's prime rate plus 1.50%                       Lender’s prime rate plus 1.50%    
Margin rate                       1.50%    
Floating rate of interest                       4.75% 4.75%  
Frequency of commitment fee                       Annually on June 30    
Minimum cash balance                           2.5
Minimum revenues levels percentage                           75.00%
Issuance of senior secured notes   5,000,000                        
Closing cost and fees     200,000   200,000                  
Commitment fee at each annual anniversary beginning June 30, 2013                       $ 20,000    
Interest Only payments Period       9 months   12 months                
principal and interest payments       30 months   36 months