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Accounting for stock-based compensation (Tables) | 6 Months Ended
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Jun. 30, 2016
Stock-Based Compensation Expense | Total stock-based compensation expense recognized in the accompanying condensed consolidated statements of operations for the three and six months ended June 30, 2016 and 2015 was as follows (in thousands):
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Stock-based compensation |  | $ | 1,355 |  |  | $ | 1,775 |  |  | $ | 2,628 |  |  | $ | 3,778 |

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- Definition Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value. + References No definition available. + Details
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