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Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified | Jun. 30, 2014 | Dec. 31, 2013
--- | --- | ---
Accounts payable | $ 5,059 | $ 3,951
Common stock, par value (USD per share) | $ 0.001 | $ 0.001
Common stock, shares authorized | 33,333,333 | 33,333,333
Common stock, shares issued | 20,778,526 | 20,468,521
Common stock, shares outstanding | 20,778,526 | 20,468,521
Viking |  |
Accounts payable | $ 1,416 |

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