|
Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified |
Jun. 30, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Trade, allowance for doubtful accounts | $ 1,243 | $ 1,043 |
| Notes and other, allowance for doubtful accounts | 988 | 1,501 |
| Seismic data library, accumulated amortization | 816,718 | 751,980 |
| Property and equipment, accumulated depreciation and amortization | 12,725 | 11,882 |
| Intangible assets, accumulated amortization | $ 32,360 | $ 29,378 |
| Common stock, par value per share | $ 0.001 | $ 0.001 |
| Common stock, shares authorized | 100 | 100 |
| Common stock, shares issued | 100 | 100 |
| Common stock, shares outstanding | 100 | 100 |