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14. STOCK BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Option activity |
|  | Years Ended December 31, |
|  | 2015 |  |  | 2014 |
|  | Number of Shares |  |  | Weighted Average Exercise Price |  |  | Number of Shares |  |  | Weighted Average Exercise Price |
Outstanding at beginning of year |  |  | 241 |  |  | $ | 6.91 |  |  |  | 241 |  |  | $ | 6.91 |
Expired |  |  | (1 | ) |  |  | 867.24 |  |  |  | – |  |  |  | – |
Outstanding at end of year |  |  | 240 |  |  | $ | 4.18 |  |  |  | 241 |  |  | $ | 6.91 |
Options exercisable at end of year |  |  | 164 |  |  | $ | 4.18 |  |  |  | 89 |  |  | $ | 11.59 |
Stock options by exercise price range |
|  |  |  |  | Options Outstanding |  |  |  | Options Exercisable |
| Range of Exercise Prices |  |  |  | Number Outstanding |  |  |  | Weighted Average Remaining Contractual Life (yrs.) |  |  |  | Weighted Average Exercise Price |  |  |  | Number Exercisable |  |  |  | Weighted Average Exercise Price |
$ | 3.74 |  |  |  | 229 |  |  |  | 7.47 |  |  | $ | 3.74 |  |  |  | 153 |  |  | $ | 3.74 |
$ | 12.90 |  |  |  | 11 |  |  |  | 5.59 |  |  | $ | 12.90 |  |  |  | 11 |  |  | $ | 12.90 |
Unvested restricted stock activity |
|  |  | Number of Shares |  |  | Weighted Average Grant Date Fair Value Per Share |
| Unvested at December 31, 2012 |  |  |  | 16 |  |  | $ | 50.40 |
| Issued |  |  |  | 615 |  |  | $ | 4.56 |
| Vested |  |  |  | (142 | ) |  | $ | 7.85 |
| Canceled |  |  |  | (17 | ) |  | $ | 6.20 |
| Unvested at December 31, 2013 |  |  |  | 472 |  |  | $ | 5.07 |
| Issued |  |  |  | 155 |  |  | $ | 15.23 |
| Vested |  |  |  | (227 | ) |  | $ | 5.79 |
| Canceled |  |  |  | (10 | ) |  | $ | 4.30 |
| Unvested at December 31, 2014 |  |  |  | 390 |  |  | $ | 8.71 |
| Issued |  |  |  | 307 |  |  | $ | 10.16 |
| Vested |  |  |  | (220 | ) |  | $ | 7.94 |
| Canceled |  |  |  | (14 | ) |  | $ | 10.08 |
| Unvested at December 31, 2015 |  |  |  | 463 |  |  | $ | 10.00 |
Stock-based compensation expense |
|  | Years Ended December 31, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Employees |  | $ | 1,694 |  |  | $ | 1,493 |  |  | $ | 1,333 |
Non-employees |  |  | 325 |  |  |  | 345 |  |  |  | 391 |
Total stock-based compensation expense |  | $ | 2,019 |  |  | $ | 1,838 |  |  | $ | 1,724 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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