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DEBT - Summary of debt (Details) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2014
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Dec. 31, 2013
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|---|---|---|
| Debt Instrument [Line Items] | ||
| Long-term debt, total | $ 25,167 | $ 1,108 |
| Less current portion of long-term debt | 3,446 | 633 |
| Noncurrent portion of long-term debt | 21,721 | 475 |
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Seller financed note payable, with interest at 4.25%, due September 2015
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| Debt Instrument [Line Items] | ||
| Long-term debt, total | 792 | 1,108 |
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Note payable to Silicon Valley Bank with interest of prime rate or LIBOR rate plus margin, due May 2019
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| Debt Instrument [Line Items] | ||
| Long-term debt, total | $ 24,375 |