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17. Selected Quarterly Financial Information (Unaudited) (amounts in thousands, except per share data) (Tables) | 12 Months Ended
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Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract] |
Selected Quarterly Financial Information | In the opinion of management, this unaudited information has been prepared on the same basis as the audited information and includes all adjustments (consisting of only normal recurring adjustments) necessary for the fair statement of the financial information for the periods presented.
|  | For the three months ended |  |  |  |
|  | Mar 31, 2012 |  |  | Jun 30, 2012 |  |  | Sep 30, 2012 |  |  | Dec 31, 2012 |  |  | Total 2012 (1) |
Total revenue |  | $ | 6,066 |  |  | $ | 6,015 |  |  | $ | 6,050 |  |  | $ | 5,933 |  |  | $ | 24,064 |
Operating (loss) income |  |  | (997 | ) |  |  | (643 | ) |  |  | 99 |  |  |  | 479 |  |  |  | (1,062 | )
(Loss) income before income taxes |  |  | (1,029 | ) |  |  | (645 | ) |  |  | 76 |  |  |  | 520 |  |  |  | (1,078 | )
Net (loss) income |  |  | (1,045 | ) |  |  | (633 | ) |  |  | 54 |  |  |  | 629 |  |  |  | (995 | )
Per share amounts: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net (loss) income per common share - basic |  | $ | (0.02 | ) |  | $ | (0.01 | ) |  | $ | 0.00 |  |  | $ | 0.01 |  |  | $ | (0.01 | )
Net (loss) income per common share - diluted |  | $ | (0.02 | ) |  | $ | (0.01 | ) |  | $ | 0.00 |  |  | $ | 0.01 |  |  | $ | (0.01 | )
Weighted average shares outstanding - basic |  |  | 64,519 |  |  |  | 70,506 |  |  |  | 70,876 |  |  |  | 70,594 |  |  |  | 69,040 |
Weighted average shares outstanding - diluted |  |  | 64,519 |  |  |  | 70,506 |  |  |  | 71,373 |  |  |  | 71,338 |  |  |  | 69,040 |
|  | For the three months ended |  |  |  |
|  | Mar 31, 2011 |  |  | Jun 30, 2011 |  |  | Sep 30, 2011 |  |  | Dec 31, 2011 |  |  | Total 2011 (1) |
Total revenue |  | $ | 6,001 |  |  | $ | 5,893 |  |  | $ | 5,872 |  |  | $ | 6,104 |  |  | $ | 23,870 |
Operating loss |  |  | (520 | ) |  |  | (1,053 | ) |  |  | (795 | ) |  |  | (908 | ) |  |  | (3,276 | )
Loss before income taxes |  |  | (548 | ) |  |  | (984 | ) |  |  | (800 | ) |  |  | (924 | ) |  |  | (3,256 | )
Net loss |  |  | (559 | ) |  |  | (984 | ) |  |  | (837 | ) |  |  | (1,039 | ) |  |  | (3,419 | )
Per share amounts: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss income per common share - basic and diluted |  | $ | (0.01 | ) |  | $ | (0.02 | ) |  | $ | (0.01 | ) |  | $ | (0.02 | ) |  | $ | (0.06 | )
Weighted average shares outstanding - basic and diluted |  |  | 60,372 |  |  |  | 60,388 |  |  |  | 60,404 |  |  |  | 60,424 |  |  |  | 60,402 |

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