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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
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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 |  |  |  |  |  |  |  |

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