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Capital Facilities (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
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1 Months Ended |
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1 Months Ended |
6 Months Ended |
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Aug. 13, 2012
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Jun. 30, 2012
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Dec. 31, 2011
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Jun. 30, 2011
Term A Loans
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May 31, 2010
Term A Loans
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Jun. 30, 2012
Term A Loans
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May 31, 2010
Term A Loans
Series B
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May 31, 2010
Term A Loans
Common stock
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Jun. 30, 2011
Term B Loans
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Jun. 30, 2012
Term B Loans
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Aug. 31, 2010
Term B Loans
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Jun. 30, 2011
Term B Loans
Common stock
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Jun. 30, 2011
May 2010 Loan Facility
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| Credit Facilities |
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| Increase in interest rate upon the occurrence of a payment default (as a percent) |
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3.00% |
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| Loan proceeds |
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$ 5,000 |
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$ 10,000 |
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| Period for which the entity is required to make interest-only payments |
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12 months |
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6 months |
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| Debt instrument term |
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39 months |
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26 months |
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| Carrying amount of long-term debt |
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2,592 |
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7,000 |
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| Current portion of long-term debt |
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8,222 |
8,412 |
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2,222 |
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6,000 |
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| Reference rate |
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LIBOR |
LIBOR |
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LIBOR |
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| Interest rate added to the reference rate (as a percent) |
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8.50% |
8.75% |
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8.50% |
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8.50% |
| LIBOR floor (as a percent) |
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3.00% |
3.00% |
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3.00% |
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| Interest rate at period end (as a percent) |
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11.50% |
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11.50% |
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| Number of shares that can be purchased against warrants before IPO |
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255,376 |
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| Exercise price of warrants before IPO (in dollars per share) |
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$ 0.93 |
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| Number of shares that can be purchased against warrants after IPO |
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200,268 |
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31,861 |
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59,748 |
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| Exercise price of warrants after IPO (in dollars per share) |
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$ 7.45 |
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$ 7.95 |
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| Fair value of warrants recorded as deferred financing cost |
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204 |
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272 |
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| Maximum borrowings available under debt instrument |
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7,000 |
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6,000 |
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| Minimum unrestricted cash required to be maintained under the amended credit facility |
1,000 |
3,000 |
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3,000 |
| Minimum unrestricted cash proceeds required from an equity event |
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$ 15,000 |