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10. Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2013
Shareholders' Equity: |
Assumptions used |
|  | 2013 |  | 2012
Weighted average risk-free rate |  | 0.60% |  | 0.53%
Weighted average volatility |  | 79.82% |  | 95.21%
Dividend yield |  | 0.00% |  | 0.00%
Expected life |  | 4.80 years |  | 5.71 years
Stock option activity table |
|  | Outstanding Options |  |  | Weighted Average Exercise Price per Share |  |  | Weighted Average Remaining Contractual Life (in years) |  |  | Aggregate Intrinsic Value |
Outstanding December 31, 2011 |  |  | 4,314,000 |  |  | $ | 0.59 |  |  |  | 7.74 |  |  | $ | 2,000 |
Granted |  |  | 452,000 |  |  |  | 0.15 |  |  |  | – |  |  |  | – |
Cancelled |  |  | (1,351,000 | ) |  |  | 0.51 |  |  |  | – |  |  |  | – |
Forfeited |  |  | (1,596,000 | ) |  |  | 0.45 |  |  |  | – |  |  |  | – |
Expired |  |  | (5,000 | ) |  |  | 0.98 |  |  |  | – |  |  |  | – |
Outstanding December 31, 2012 |  |  | 1,814,000 |  |  |  | 0.66 |  |  |  | 6.37 |  |  |  | 25,000 |
Granted |  |  | 1,280,000 |  |  |  | 0.27 |  |  |  | – |  |  |  | – |
Exercised |  |  | (30,000 | ) |  |  | 0.17 |  |  |  | – |  |  |  | – |
Cancelled |  |  | (245,000 | ) |  |  | 0.49 |  |  |  | – |  |  |  | – |
Forfeited |  |  | (102,000 | ) |  |  | 0.19 |  |  |  | – |  |  |  | – |
Expired |  |  | (53,000 | ) |  |  | 1.09 |  |  |  | – |  |  |  | – |
Outstanding December 31, 2013 |  |  | 2,664,000 |  |  | $ | 0.50 |  |  |  | 7.14 |  |  | $ | 706,000 |
Options vested and exercisable at December 31, 2013 |  |  | 1,315,000 |  |  | $ | 0.76 |  |  |  | 5.14 |  |  | $ | 201,000 |
Restricted stock activity |
|  |  |  | Outstanding Restricted Stock Units |  |  | Weighted Average Fair Value per Share |
December 31, 2011 |  |  |  | 49,000 |  |  | $ | 0.31 |
| Granted |  |  |  | 620,000 |  |  |  | – |
| Released |  |  |  | (44,000 | ) |  |  | – |
| Cancelled |  |  |  | (65,000 | ) |  |  | – |
December 31, 2012 |  |  |  | 560,000 |  |  | $ | 0.14 |
| Granted |  |  |  | – |  |  |  | – |
| Released |  |  |  | (373,000 | ) |  |  | – |
| Cancelled |  |  |  | – |  |  |  | – |
December 31, 2013 |  |  |  | 187,000 |  |  | $ | 0.14 |
Balance exercisable at December 31, 2013 |  |  |  | – |  |  |  |  |
Warrant activity table |
|  |  | Outstanding Warrants |  |  | Weighted Average Exercise Price per Share |  |  | Weighted Average Remaining Contractual Life (in years) |
Outstanding December 31, 2011 |  |  |  | 4,500,000 |  |  | $ | 0.79 |  |  |  | 5.35 |
| Granted |  |  |  | – |  |  |  | – |  |  |  | – |
| Exercised |  |  |  | – |  |  |  | – |  |  |  | – |
| Forfeited |  |  |  | – |  |  |  | – |  |  |  | – |
Outstanding December 31, 2012 |  |  |  | 4,500,000 |  |  | $ | 0.79 |  |  |  | 4.35 |
| Granted |  |  |  | 3,600,000 |  |  |  | 0.40 |  |  |  | – |
| Exercised |  |  |  | (1,500,000 | ) |  |  | 0.37 |  |  |  | – |
| Forfeited |  |  |  | – |  |  |  | – |  |  |  | – |
Outstanding December 31, 2013 |  |  |  | 6,600,000 |  |  | $ | 0.67 |  |  |  | 4.18 |
Balance exercisable at December 31, 2013 |  |  |  | 3,000,000 |  |  | $ | 0.40 |  |  |  | 3.36 |

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- Definition Tabular disclosure of the changes in other outstanding share-based compensation awards other than stock options or nonvested awards. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + 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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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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